134,881 research outputs found
Myzostoma kymae Summers, Al-Hakim & Rouse, 2014, n. sp.
No full textMyzostoma kymae n. sp. Summers & Rouse Fig. 5 E–I Holotype: SIO-BIC A 3681 hologenophore (1 spm: 95 % ethanol). Madang Harbor, Papua New Guinea (5 ° 12 ' 27.63 "S, 145 ° 48 ' 32.45 "E), 3– 17 m. Collected at night using scuba on 4 December 2012 by MMS and GWR. Genbank (COI—KM014197). Host. Alloeocomatella n. sp. (AH Clark) (Comatulidae, Comatulida, Crinoidea). MNHN-IE 2013-8027 (dried voucher) & SIO-BIC E 5862 (tissue subsample in 95 % ethanol). Genbank (COI—KJ 874980). Paratypes: SIO-BIC A 3682 paragenophore (2 spms: 1—95 % ethanol; 1 —mounted for SEM). Same host and locality as holotype. Etymology. Named for Kym Vercoe, sister-in-law of GWR, in honor of her birthday. Diagnosis and description. Holotype body oval-shaped, ~ 4 mm long, 2 mm wide following fixation. Dorsal longitudinal ridge; otherwise smooth surface (Fig. 5 H). Body margin with 20 short, triangular cirri (Fig. 5 I). Mouth and cloaca on ventral surface. Mouth and cloaca sub-terminal, in line with lateral organs. Proboscis with ~ 20 papillae. Paired penes in line with third pair of parapodia. Five pairs of parapodia, midway between midline and body margin. Lateral organs closer to parapodia than body margin. Color bright red in life, faded in preservative. Remarks. This species most resembles Myzostoma viride Atkins, 1927, which was described from the Great Barrier Reef (Australia) associated with Comanthus annulatus (= Comanthus parvicirrus). This description was of three green-colored specimens with a white anterior-posterior ridge on the dorsal surface and red extended proboscis with papillae. In two of the specimens studied here, the anterior and posterior margins were broadly rounded, while in the third the body tapered to a point posteriorly. We collected yellow specimens, with a dorsal ridge from Comatella nigra (Carpenter) at Lizard Island, Australia. We suggest that these species are most closely allied to the green specimens described, and that the host of Atkin’s specimens may have been Comatella (most of Atkin’s species were described from Comanthus annulatus). Myzostoma kymae n. sp. differs from these specimens assigned to Myzostoma viride in color, placement of mouth (nearer to the body margin in M. viride), lack of clear dorsal ridge, host use, and molecular data (Myzostoma cf. viride published in Summers & Rouse (2014)). The paratype of M. kymae n. sp. is slightly larger, brown, and the proboscis has fewer (~ 7) papillae.Published as part of Summers, Mindi M., Al-Hakim, Iin Inayat & Rouse, Greg W., 2014, Turbo-taxonomy: 21 new species of Myzostomida (Annelida), pp. 301-344 in Zootaxa 3873 (4) on pages 314-316, DOI: 10.11646/zootaxa.3873.4.1, http://zenodo.org/record/25220
Endomyzostoma neridae Summers, Al-Hakim & Rouse, 2014, n. sp.
No full textEndomyzostoma neridae n. sp. Summers & Rouse Fig. 2 F–G Holotype: AM W. 43447 hologenophore (1 spm: ½—in 70 % ethanol after formalin fixation; ½— 95 % ethanol). Dili, Banda Sea, Timor-Leste (8 ° 31 ' 15 "S, 125 ° 36 ' 46 " E). Collected using scuba on 19 September 2012 by Nerida Wilson and GWR. Genbank (COI—KM014169). Host. Cenometra bella (Hartlaub) (Colobometridae, Comatulida, Crinoidea). AM J. 25425. Genbank (COI—KM 491772). Paratypes: AM P. 90322 paragenophore (1 spm: in 70 % ethanol after formalin fixation). Collected on same host as holotype. Etymology. Named for Nerida Wilson, who collected this new species with GWR. Diagnosis and description. Located in cysts along ambulacral grooves of the host’s arms (Fig. 2 G). Holotype body folded along anterior-posterior axis, dorsal side inward (Fig. 2 F). Length ~ 5 mm, width ~ 3–3.5 mm (folded) following fixation. Mouth and cloaca terminal. Five pairs of very small parapodia with noticeable chaetae midway between midline and body margin (Fig. 2 F). Live color orange, cream in preservative. Remarks. Endomyzostomum neridae n. sp. is the first Endomyzostoma described from a crinoid host belonging to Mariametroidea. Remscheid (1918) recorded Endomyzostoma cysticolum (Graff, 1883) from a mariametroid, likely Amphimetra tesselata (AH Clark, 1911) in the Aru Islands (Indonesia). The drawing of the gall and specimen cannot be distinguished from E. neridae n. sp. and may represent an earlier record. Endomyzostoma cysticolum was originally described from Cape Frio, Brazil, associated with Comactinia meridionalis, a member of Comatulidae. See discussion above regarding other Endomyzostoma.Published as part of Summers, Mindi M., Al-Hakim, Iin Inayat & Rouse, Greg W., 2014, Turbo-taxonomy: 21 new species of Myzostomida (Annelida), pp. 301-344 in Zootaxa 3873 (4) on pages 305-306, DOI: 10.11646/zootaxa.3873.4.1, http://zenodo.org/record/25220
Myzostoma josefinae Summers, Al-Hakim & Rouse, 2014, n. sp.
No full textMyzostoma josefinae n. sp. Summers & Rouse Fig. 5 A–D Holotype: SIO-BIC A 4016 paragenophore (1 spm: in 70 % ethanol after paraformaldehyde/glutaraldehyde fixation). Near ‘Francisco’ whalefall, Monterey Canyon, California (36 ° 46 ' 19.1994 "N, 122 ° 4 ' 58.7994 "W), 1020 m. Collected via the R/V Western Flyer using the ROV Doc Ricketts (Dive 9) on 10 March 2009 by GWR. Host. Psathyrometra fragilis (AH Clark). SIO-BIC E 4567. Genbank (COI—KM 491780). Paratypes: SIO-BIC A 3798 paragenophores (7 spms: 6 —in 70 % ethanol after paraformaldehyde/ glutaraldehyde fixation; 1—95 % ethanol). Same host and locality as holotype. Genbank (COI—KM014189). SIO- BIC A 3829 syngenophores (12 spms: 6 spms—in 70 % ethanol after paraformaldehyde/glutaraldehyde fixation; 6 spms— 95 % ethanol). Guaymas Basin (26 ° 45 ' 12.8514 "N, 111 ° 10 ' 19.632 "W), 1314 m. Collected via the R/V Western Flyer using the ROV Doc Ricketts (Dive 390) on 16 April 2012 by GWR. Genbank (COI—KM 491749). Host: Psathyrometra fragilis (AH Clark, 1907), SIO-BIC E 6149 (DNA subsample only). Etymology. Named for Josefin Stiller, an enthusiast of polychaetes. Diagnosis and description. Holotype body circular disc with two elongated, cylindrical caudal appendages, approximately as long as body (Fig. 5 A–D). Length ~ 2.1 mm; width ~ 1 mm, following fixation. Body margin with 18 cirri, alternating in length, most anterior pair up to twice as long as the rest (Fig. 5 C–D). Caudal appendages with long terminal cirri. Mouth terminal. Proboscis smooth [seen in paratypes]. Cloaca terminal, between caudal appendages. Paired penes. Five pairs of parapodia, positioned two-thirds of way from center of disc to margin. Remarks. Myzostoma josefinae n. sp. is the first myzostomid with paired elongate caudal appendages described from the eastern Pacific and Psathyrometra fragilis. Four other species are known to possess paired elongate caudal appendages, two recovered on Antedonidae, one from Comatulidae, one possibly with a Mariametroidea, and one associated with an uncertain host (Table 1). Myzostoma josefinae n. sp. is most similar in form to M. divisor Grygier, 1989, M. filicauda Graff, 1883, and M. tentaculatum Jägersten, 1940 a. Myzostoma filicauda was recorded on Coccometra hagenii (Pourtalès) (Antedonidae) from Sand Key, Florida. Myzostoma divisor was described from Promachocrinus kerguelensis Carpenter (Antedonidae) from Antarctica, and the description includes notes on the juvenile stages. Myzostoma tentaculatum was described from Japan, on an unknown host. As all identified hosts for this set of taxa are Antedonidae, it is likely that M. tentaculatum was collected on a Japanese antedonid. In addition to differences in host and locality, Myzostoma josefinae n. sp. is distinguished from M. divisor by molecular data published by Summers & Rouse (2014) and in having marginal cirri of unequal length (equal in M. divisor), M. filicauda by lacking papillae on the proboscis, and from M. tentaculatum by the length of the most anterior pair of cirri (six times longer than rest, resembling ‘tentacles’, in M. tentaculatum). Two other taxa have two elongate caudal appendages. Myzostoma bicaudatum Graff, 1883 was described from Comactinia meridionalis (Agassiz) west of Tortugas in the Caribbean. Myzostoma filiferum Graff, 1884 a was recorded on Antedon bidentata (nomen nudum) (possibly Heterometra variipinna (Carpenter) from the Torres Strait. [Nomenclatural issue of M. filiferum and M. filicauda discussed in Grygier (1989)]. Myzostoma bicaudatum and M. filiferum differ from M. filicauda, M. divisor, and M. josefinae n. sp. by possessing 20 (rather than 18) marginal cirri on the main body. In addition, M. bicaudatum is unique among all of the forms by having a subterminal mouth and lacking terminal cirri on the caudal appendages. Myzostoma divisor and M. josefinae n. sp. were recovered as well-supported sister-taxa in the molecular phylogeny of Summers & Rouse (2014). We suspect that M. filicauda and M. tentaculatum will form a clade with these two taxa, while the evolutionary affinity of M. bicaudatum and M. filiferum may instead be with myzostomids with caudal processes and 20 marginal cirri, associated with Comatulidae and Mariametroidea respectively. The type specimens for M. bicaudatum, M. filiferum, and M. filicauda have been lost, and the location of types of M. tentaculatum is unknown.Published as part of Summers, Mindi M., Al-Hakim, Iin Inayat & Rouse, Greg W., 2014, Turbo-taxonomy: 21 new species of Myzostomida (Annelida), pp. 301-344 in Zootaxa 3873 (4) on pages 313-314, DOI: 10.11646/zootaxa.3873.4.1, http://zenodo.org/record/25220
[921 N. Cedar - Bailey - Summers House]
No full textClose-up of the southeast corner of the "Bailey-Summers House," a two-story, Classical Revival-style house located at 921 N. Cedar St. in Palestine, Texas. The dominant architectural feature is the front portico with two-story Ionic columns
[921 N. Cedar - Bailey Summers House]
No full textPhotograph of the front of the "Bailey-Summers House," a white, two-story, Classical Revival-style house located at 921 N. Cedar St. in Palestine, Texas. The dominant architectural feature is the front portico with two-story Ionic columns
[921 N. Cedar - Bailey Summers House]
No full textThis grand 2 story residence located at 921 N. Cedar St. is one of the city’s premier examples of the Classical Revival style. The dominant architectural feature is the front portico with its 2 story Ionic columns. The building remains virtually unaltered with its historic integrity intact. According to city directories, this house was owned and occupied by Mrs. F.C. Bailey in the mid-1920’s, but from the mid-1930’s through at least 1941 the house belonged to Elbert J. and Bessie B. Summers. Mr. Summers was a real estate agent working out of an office at 115 W. Oak. Billy Bean documented this house in his 1980 survey. The house remains in the Summers family as of 2007
Myzostoma indocuniculus Summers, Al-Hakim & Rouse, 2014, n. sp.
No full text<i>Myzostoma indocuniculus</i> n. sp. Summers, Al-Hakim & Rouse <p>Fig. 4 J–K</p> <p> <b>Holotype:</b> MZB Pol. 0 0 129 (1 spm: in 70% ethanol after formalin fixation). Mios Kon, Raja Ampat, Indonesia (0°29'55.54"S, 130°43'38.14"E), less than 20 m. Collected using scuba on 24 October 2013 by MMS and GWR.</p> <p> <b>Host.</b> <i>Clarkcomanthus alternans</i> (Carpenter) (Comatulidae, Comatulida, Crinoidea). SIO-BIC E6161. Genbank (COI—KM491779).</p> <p> <i>Paratypes:</i> SIO-BIC A3763 <b>paragenophores</b> (2 spms: 1—in 70% ethanol after formalin fixation, 1—95% ethanol). Genbank (COI—KM014209). Same host and locality.</p> <p> <b>Etymology.</b> Named for the type locality in Indonesia and the ‘bunny-ear’ caudal processes—a feature shared with its closest relatives <i>Myzostoma cuniculus</i> Eeckhaut <i>et al.</i>, 1998 and <i>M. pseudocuniculus</i> Lanterbecq & Eeckhaut 2003.</p> <p> <b>Diagnosis and description.</b> Holotype body oval, separated posteriorly into two broad ‘ear-shaped’ caudal processes, slightly longer than length of main body (Fig. 4 J). Length ~ 2.2 mm, width ~ 1.5 mm following fixation. Caudal processes twice as long as wide. Two long posterior cirri on each caudal process of holotype [2–4 observed on paratypes]. Main body has scalloped margin with 18 cirri, first and last pair very long, second pair long, pairs 3–8 short (Fig. 4 K). Mouth and cloaca terminal, cloaca between caudal appendages. Five pairs of parapodia. Color dark red-brown in life, color faded in preservative.</p> <p> <b>Remarks.</b> Two other species have ‘ear-shaped’ caudal processes. <i>Myzostoma cuniculus</i> Eeckhaut <i>et al.</i>, 1998 has been recorded from Hansa Bay, Papua New Guinea and McCluer Islands, Australia, associated with <i>Clarkcomanthus albinotus</i> Rowe <i>et al.</i>, Clarkcomanthus littoralis Rowe <i>et al.</i> (likely = <i>C. albinotus,</i> see Summers <i>et al.</i> (<i>in prep</i>)), and <i>Comanthus wahlbergii</i> (Müller) (Eeckhaut <i>et al.</i> 1998). <i>Myzostoma pseudocuniculus</i> Lanterbecq & Eeckhaut, 2003 was described from Toliara, Madagascar on <i>Comanthus</i> sp. aff. <i>wahlbergii</i> (later reported as <i>Comanthus parvicirrus</i> by the original authors in Lanterbecq <i>et al.</i> (2006)). These two species and <i>Myzostoma indocuniculus</i> <b>n. sp.</b> formed a well-supported clade in the molecular phylogeny of Summers & Rouse (2014).</p> <p> <i>Myzostoma indocuniculus</i> <b>n. sp.</b> is distinguished from both <i>M. cuniculus</i> and <i>M. pseudocuniculus</i> by molecular data and occupied host. In addition, <i>Myzostoma indocuniculus</i> <b>n. sp.</b> differs from <i>M. cuniculus</i> by the presence of cirri on the caudal processes (caudal processes acirrate in <i>M. cuniculus</i>) and three pairs of long cirri on the trunk (<i>M. cuniculus</i> has 20 trunk cirri, all approximately equal in size). It can be distinguished from <i>M. pseudocuniculus</i> by its elongate form, longer and more developed caudal processes, and uniform color. Eeckhaut <i>et al.</i> (1998) also reported specimens of four undescribed species close to <i>M. cuniculus</i> from Okinawa, Enewatak Atoll, and southern Papua New Guinea. The description of those specimens does not match <i>Myzostoma indocuniculus</i> <b>n. sp.</b></p>Published as part of <i>Summers, Mindi M., Al-Hakim, Iin Inayat & Rouse, Greg W., 2014, Turbo-taxonomy: 21 new species of Myzostomida (Annelida), pp. 301-344 in Zootaxa 3873 (4)</i> on page 313, DOI: 10.11646/zootaxa.3873.4.1, <a href="http://zenodo.org/record/252208">http://zenodo.org/record/252208</a>
Pulvinomyzostomum inaki Summers, Al-Hakim & Rouse, 2014, n. sp.
No full text<i>Pulvinomyzostomum inaki</i> n. sp. Summers & Rouse <p>Fig. 8 A–C</p> <p> <b>Holotype:</b> SIO-BIC A1408 <b>paragenophore</b> (1 male: in 70% ethanol after formalin fixation). Jaco Scarp, Costa Rica (9.1172° N, 84.8417° W), 1866 m. Collected via the R/V <i>Atlantis</i> using the HOV Alvin (Dive 4509) on 3 March 2009.</p> <p> <b>Host.</b> <i>Antedon</i> sp. (Antedonidae, Comatulida, Crinoidea) SIO-BIC E4399. Genbank (COI—KM014345). <i>Paratypes:</i> SIO-BIC A1579 <b>paragenophores</b> (2 males: 95% ethanol). Same host and locality. Genbank (COI—KM014173).</p> <p> <b>Etymology.</b> Named for Jose Ignacio Carvajal.</p> <p> <b>Diagnosis and description.</b> Large female in host’s mouth, smaller males on female’s ventral surface (Fig. 8 B). Female thick, circular, body margin slightly scalloped from 20 small cirri (Fig. 8 A–B). Dorsal surface of female ridged and with papillae. Holotype (male) circular, slightly wider than long, body margin strongly scalloped from 20 triangular cirri (Fig. 8 C). Mouth and cloaca terminal. Extended proboscis smooth. Five pairs of parapodia, positioned equal distance from the midline to the body margin.</p> <p> <b>Remarks.</b> <i>Pulvinomyzostomum inaki</i> <b>n. sp.</b> possesses the same lifestyle as <i>Pulvinomyzostomum pulvinar</i> Graff, 1884 b—a large female located in the mouth with small males. The female specimen was found with the small males on the ventral surface, the <i>in situ</i> arrangement in the mouth is not known. <i>Pulvinomyzostomum pulvinar</i> was described from <i>Leptometra phalangium</i> (Müller, 1841) collected in Scottish waters. <i>Pulvinomyzostomum pulvinar</i> possesses a dorsal proboscis and has a smooth dorsal surface (re-examined in Jägersten, 1940b and Eeckhaut & Lanterbecq, 2005), distinguishing it from <i>P. inaki</i> <b>n. sp.</b></p> <p> The free-living <i>Myzostoma graffi</i> Nansen, 1885 and <i>M. giganteum</i> Nansen, 1885 from Norwegian waters are described as having a scalloped margin similar to the males of <i>Pulvinomyzostomum inaki</i> <b>n. sp.</b> As the host is similar, <i>Leptometra celtica</i> (M’Andrew & Barrett), these records could be males of <i>Pulvinomyzostomum pulvinar</i> and warrant further collection now that molecular data are available. <i>Pulvinomyzostomum inaki</i> <b>n. sp.</b> is the first record of this lifestyle (large female in mouth, smaller free-living males) from Pacific waters, and is also distinguished from <i>P. pulvinar</i> based on molecular data (provided in Lanterbecq <i>et al.</i> (2006)).</p>Published as part of <i>Summers, Mindi M., Al-Hakim, Iin Inayat & Rouse, Greg W., 2014, Turbo-taxonomy: 21 new species of Myzostomida (Annelida), pp. 301-344 in Zootaxa 3873 (4)</i> on pages 324-325, DOI: 10.11646/zootaxa.3873.4.1, <a href="http://zenodo.org/record/252208">http://zenodo.org/record/252208</a>
Myzostoma eeckhauti Summers, Al-Hakim & Rouse, 2014, n. sp.
No full textMyzostoma eeckhauti n. sp. Summers & Rouse Fig. 4 D–G Holotype: SIO-BIC A 4013 paragenophore (1 spm: 95 % ethanol). Madang Harbor, Papua New Guinea (5 ° 13.200 'S, 145 ° 48.879 'E), 5– 20 m. Collected at night using scuba on 7 December 2012 by MMS and GWR. Host. Dichrometra / Lamprometra / Liparometra sp. 1 (Müller) (Crinoidea, Comatulida, Mariametridae). SIO- BIC E 5913 (tissue subsample in 95 % ethanol). Paratypes: SIO-BIC A 3668 paragenophores (15 spms: 1 —in 70 % ethanol after formalin fixation; 13—95 % ethanol; 1 —mounted for SEM). Same host and locality as holotype. Genbank (COI—KM014192). SIO-BIC A 3667 syngenophores (6 spms: 95 % ethanol). Same locality as holotype. Host. Dichrometra / Lamprometra / Liparometra sp. 1. MNHN-IE- 2013-8128 (dried voucher) & SIO-BIC E 5912 (tissue subsample in 95 % ethanol). Genbank (COI—KM014351). Etymology. Named after Igor Eeckhaut, for his extensive contributions to our understanding of myzostomid biology and systematics. Diagnosis and description. Holotype body elongate, terminating in 6 cylindrical caudal processes (Fig. 4 D–E). Length ~ 2.5 mm (including caudal processes), width ~ 1 mm following fixation. Medialmost pair of caudal processes longest; outermost pair shortest. Body margin with 20 cirri, most anterior pair more than three times as long as rest, which are short, triangular. Short cirri on some caudal processes, others acirrate. Mouth and cloaca terminal, cloaca located between caudal processes. Extended proboscis smooth (Fig. 4 F). Five pairs of parapodia, midway between midpoint and body-margin with hooks (Fig. 4 G). Live color pink, white in preservative. Remarks. Four other species are known with 6 caudal processes (Table 1). Two have caudal processes with cirri as in Myzostoma eeckhauti n. sp. Myzostoma intermedium Graff, 1884 was described from a badly damaged specimen collected on Zygometra microdiscus (Bell) in the Torres Strait. A specimen very similar to the description and drawing in Graff (1884) was collected from the same host species in Lizard Island, Australia (Accession: SIO- BIC A 4017). This specimen has a circular body with 20 long marginal cirri and six caudal processes with very long cirri—all features which distinguish it from Myzostoma eeckhauti n. sp. DNA sequences were not amplified from this specimen. Myzostoma jaegersteni Eeckhaut et al. 1994 also possesses caudal processes with cirri. It was described from Heterometra savignii (Müller) from Johore Shoal, Singapore, and specimens assigned to this species by the authors were also found on Neometra multicolor (AH Clark) and Tropiometra carinata (Lamarck). All identified specimens were dredged, presumably from deeper waters. We collected specimens of a similar size and color (thin and translucent), but from a different host— Dichrometra flagellata —from Lizard Island, Australia. Although we expect these to be a different species from those described in Singapore, we refer to these specimens as Myzostoma cf. jaegersteni. Myzostoma eeckhauti n. sp. can be distinguished from Myzostoma cf. jaegersteni by molecular data, host use, and general appearance (M. eeckhauti n. sp. is thick and pink).Published as part of Summers, Mindi M., Al-Hakim, Iin Inayat & Rouse, Greg W., 2014, Turbo-taxonomy: 21 new species of Myzostomida (Annelida), pp. 301-344 in Zootaxa 3873 (4) on page 312, DOI: 10.11646/zootaxa.3873.4.1, http://zenodo.org/record/25220
Mesomyzostoma lanterbecqae Summers, Al-Hakim & Rouse, 2014, n. sp.
No full text<i>Mesomyzostoma lanterbecqae</i> n. sp. Summers & Rouse <p>Fig. 2 I–L</p> <p> <b>Holotype:</b> SIO-BIC A3651 <b>hologenophore</b> (1 spm: ½—in 70% ethanol after formalin fixation; ½—95% ethanol). Padoz Reef, Madang Harbor, Papua New Guinea (5° 9' 34.8006"S, 145° 48' 46.2096"W), 5– 20 m. Collected using scuba on 27 November 2012 by MMS and GWR. Genbank (COI—KM014176).</p> <p> <b>Host.</b> <i>Clarkcomanthus alternans</i> (Carpenter) (Comatulidae, Comatulida, Crinoidea). MNHN-IE-2013-8114 (dried voucher); SIO-BIC E5879 (tissue subsample in 95% ethanol). Genbank (COI—KM491773).</p> <p> <i>Paratypes:</i> SIO-BIC A3652 <b>syngenophores</b> (3 spms: 2—in 70% ethanol after formalin fixation; 2—95% ethanol). Same location as holotype. Genbank (COI—KM491743). Host: <i>Clarkcomanthus mirabilis</i> (Rowe et al.), MNHN-IE-2013-8174 (dried voucher) & SIO-BIC E5880 (tissue subsample in 95% ethanol); Genbank (COI—KM491774). SIO-BIC A3653 <b>syngenophores</b> (2 spms: 95% ethanol). South Padoz Reef, Madang Harbor, Papua New Guinea (5° 9' 43.1994"S, 145° 48' 59.3922"W), 5– 20 m. Collected using scuba on 1 December 2012. Genbank (COI—KM491744). Host: <i>Comatella nigra</i> (Carpenter), MNHN-IE-2013-8064 (dried voucher) & SIO- BIC E5891 (tissue subsample in 95% ethanol); Genbank (COI—KM491775).</p> <p> <b>Etymology.</b> Named for Deborah Lanterbecq, who first sequenced DNA from a <i>Mesomyzostoma</i> and led the work resulting in the first molecular phylogeny for myzostomids (Lanterbecq <i>et al.</i> 2006).</p> <p> <b>Diagnosis and description.</b> Located within host’s coelom. Holotype body thin and elongate. Length ~ 2.5 mm following fixation (specimen cut and curled) [paratypes 2–4 mm]. Body margin acirrate. Mouth and cloaca terminal. Five pairs of small parapodia, with large hooks (Fig. 2 L). Color cream in life, white in preservative.</p> <p> <b>Remarks.</b> There are nine other species of <i>Mesomyzostoma</i> —two described, <i>Mesomyzostoma katoi</i> Okada, 1933 and <i>Mesomyzostoma reichenspergeri</i> Remscheid, 1918, and four currently being described Eeckhaut <i>et al.</i> (<i>in prep</i>) and three undescribed species in Summers & Rouse (2014). All of these species have a similar body form and occupy the coelom and/or gonads of feather star crinoids. The species are best distinguished by molecular data, followed by host use. This is likely a highly undersampled lifestyle due to the requirement of dissection.</p>Published as part of <i>Summers, Mindi M., Al-Hakim, Iin Inayat & Rouse, Greg W., 2014, Turbo-taxonomy: 21 new species of Myzostomida (Annelida), pp. 301-344 in Zootaxa 3873 (4)</i> on page 306, DOI: 10.11646/zootaxa.3873.4.1, <a href="http://zenodo.org/record/252208">http://zenodo.org/record/252208</a>
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