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FIGURE 1 in Some species of Munidopsis from the Gulf of Mexico, Florida Straits and Caribbean Sea (Decapoda: Munidopsidae), with the description of two new species
No full textFIGURE 1. Distribution map of Munidopsis species collected by expeditions SO 154 and MSM 20/4. The bathymetry quoted from Ocean Data View (2012).Published as part of Macpherson, Enrique, Beuck, Lydia & Freiwald, Andrè, 2016, Some species of Munidopsis from the Gulf of Mexico, Florida Straits and Caribbean Sea (Decapoda: Munidopsidae), with the description of two new species, pp. 405-416 in Zootaxa 4137 (3) on page 406, DOI: 10.11646/zootaxa.4137.3.7, http://zenodo.org/record/26419
Cladorhiza corallophila sp. nov., a new carnivorous sponge (Cladorhizidae, Demospongiae) living in close association with Lophelia pertusa and Madrepora oculata (Scleractinia)
No full textGöcke, Christian, Hestetun, Jon T., Uhlir, Carolin, Freiwald, André, Beuck, Lydia, Janussen, Dorte (2016): Cladorhiza corallophila sp. nov., a new carnivorous sponge (Cladorhizidae, Demospongiae) living in close association with Lophelia pertusa and Madrepora oculata (Scleractinia). Zootaxa 4168 (3): 512-524, DOI: http://doi.org/10.11646/zootaxa.4168.3.
Munidopsis spinifer A. Milne Edwards 1880
No full textMunidopsis spinifer (A. Milne Edwards, 1880) (Fig. 4 C) Galathodes spinifer A. Milne Edwards 1880: 54 (Phare de Morro, St. Kitts and Barbados, 329–732 m). Munidopsis spinifer.— Baba et al. 2008: 162 (compilation). Material examined. Great Bahama (North Mound, Florida Straits): SMF 49252, 1 ovigerous female, 5.6 mm, 24 ° 33.730 ’N 79 ° 19.804 ’W to 24 ° 34.376 ’N, 79 ° 19.804 ’W, 654–660 m water depth, RV ‘ Maria S. Merian’ MSM 20 / 4 Station GeoB 163 74 - 1 -bulk, ROV dive 14 subsample bulk, 4 April 2012. Colour in life. Carapace and abdomen whitish, with two pale-orange broad longitudinal stripes lateral to midline. Rostrum pale-orange dorsolaterally, base whitish. Dorsal side of P 1–4 pale-orange; ventral side whitish. Cornea pale at base, distally whitish (see also Mayo 1974). Remarks. The specimen agrees quite well with previous descriptions and illustrations. The species has been recorded on sponges, alcyonarians and corals (Mayo 1974) and on the crinoid Crinometra brevipinna (Rice & Miller 1991). Distribution. Previously known from Phare de Morro, St. Kitts and Barbados, north coast of Cuba, Bahamas and St. Vincent, 329–741 m, and now from north of Yucatan, at 654– 660 m.Published as part of Macpherson, Enrique, Beuck, Lydia & Freiwald, Andrè, 2016, Some species of Munidopsis from the Gulf of Mexico, Florida Straits and Caribbean Sea (Decapoda: Munidopsidae), with the description of two new species, pp. 405-416 in Zootaxa 4137 (3) on page 410, DOI: 10.11646/zootaxa.4137.3.7, http://zenodo.org/record/26419
Environmental and biological controls on Na/Ca ratios in scleractinian cold-water corals
Get PDFHere we present a comprehensive attempt to correlate aragonitic Na∕Ca ratios from Desmophyllum pertusum (formerly known as Lophelia pertusa), Madrepora oculata and a caryophylliid cold-water coral (CWC) species with different seawater parameters such as temperature, salinity and pH. Living CWC specimens were collected from 16 different locations and analyzed for their Na∕Ca ratios using solution-based inductively coupled plasma-optical emission spectrometry (ICP-OES) measurements.
The results reveal no apparent correlation with salinity (30.1–40.57 g kg−1) but a significant inverse correlation with temperature (−0.31±0.04
mmolmol−1∘C−1). Other marine aragonitic organisms such as Mytilus edulis (inner aragonitic shell portion) and Porites sp. exhibit similar results highlighting the consistency of the calculated CWC regressions. Corresponding Na∕Mg ratios show a similar temperature sensitivity to Na∕Ca ratios, but the combination of two ratios appears to reduce the impact of vital effects and domain-dependent geochemical variation. The high degree of scatter and elemental heterogeneities between the different skeletal features in both Na∕Ca and Na∕Mg, however, limit the use of these ratios as a proxy and/or make a high number of samples necessary. Additionally, we explore two models to explain the observed temperature sensitivity of Na∕Ca ratios for an open and semi-enclosed calcifying space based on temperature-sensitive Na- and Ca-pumping enzymes and transport proteins that change the composition of the calcifying fluid and consequently the skeletal Na∕Ca ratio
Last snails standing since the Early Pleistocene, a tale of Calliostomatidae (Gastropoda) living in deep-water coral habitats in the north-eastern Atlantic
No full textHoffman, Leon, Beuck, Lydia, Heugten, Bart Van, Lavaleye, Marc, Freiwald, André (2019): Last snails standing since the Early Pleistocene, a tale of Calliostomatidae (Gastropoda) living in deep-water coral habitats in the north-eastern Atlantic. Zootaxa 4613 (1): 93-110, DOI: https://doi.org/10.11646/zootaxa.4613.1.
FIGURE 1 in Last snails standing since the Early Pleistocene, a tale of Calliostomatidae (Gastropoda) living in deep-water coral habitats in the north-eastern Atlantic
No full textFIGURE 1. Distribution maps of Calliostoma bullatum and Calliostoma leptophyma (left) and of Calliostoma maurolici (right). In the left map, empty shells of Calliostoma bullatum as red diagonal crosses, live observations as yellow triangles, empty shells of Calliostoma leptophyma as red normal crosses, live observations in this study as green triangles, live observations from literature as green diamonds. In the right map, empty shells of Calliostoma maurolici as red normal crosses, live observations as yellow triangles, live observations from literature as green diamonds. Bathymetry data source: GEBCO, depth contour intervals 500 m.Published as part of Hoffman, Leon, Beuck, Lydia, Heugten, Bart Van, Lavaleye, Marc & Freiwald, André, 2019, Last snails standing since the Early Pleistocene, a tale of Calliostomatidae (Gastropoda) living in deep-water coral habitats in the north-eastern Atlantic, pp. 93-110 in Zootaxa 4613 (1) on page 95, DOI: 10.11646/zootaxa.4613.1.4, http://zenodo.org/record/323809
Munidopsis penescabra Pequegnat & Williams 1995
No full textMunidopsis penescabra Pequegnat & Williams, 1995 (Fig. 4 B) Munidopsis penescabra Pequegnat & Williams 1995: 788, figs 2 c–e, 3, 4b (western North Atlantic, north-western Gulf of Mexico, 543– 807 m.— Baba et al. 2008: 154 (compilation). Material examined. Campeche Bank (Gulf of Mexico): SMF 49248, 2 males, 4.1–5.6 mm, 23 ° 50.121 ’N, 87 ° 10.484 ’W, 565 m, RV ‘ Maria S. Merian’ MSM 20 / 4 Station GeoB 163 08- 1, BC, 22 March 2012, on muddy pteropod-foraminiferan ooze, associated with stalked crinoids, sponges, bryozoans, barnacles, brachiopods and few dead scleractinian fragments (mainly Lophelia pertusa (Linnaeus, 1758)); SMF 49254, 2 males, 2.8–5.9 mm, 23 ° 49.731 ’N, 87 ° 10.319 ’W, 578 m, RV ‘ Maria S. Merian’ MSM 20 / 4 Station GeoB 163 09- 1, BC, 22 March 2012, no sediment collected—associated with Munidopsis tuerkayi n. sp., sponges and few dead scleractinian fragments (mainly Lophelia pertusa). Colour in life. Carapace and abdomen pale brown; P 1–4 whitish or pale brown. Cornea pale brown. Remarks. The material examined agrees quite well with the original description. Pequegnat & Williams (1995) compared this species with M. scabra Faxon, 1893 and M. tanneri Faxon, 1893, both from the eastern Pacific. Munidopsis penescabra is also close to M. acutispina Benedict, 1902, from the north-east Atlantic and Mediterranean Sea (Froglia et al. 2002; Macpherson & Segonzac 2005). The differences are in the following: The dorsal surface of the carapace has numerous small scales each ending in a well-developed spine in M. penescabra, whereas these scales are large each ending in a small spine in M. acutispina. The eyespine is much larger in M. penescabra than in M. acutispina. The suborbital spine is well developed in M. penescabra, whereas this spine is absent in M. acustina. The spines on P 1–4 are stronger in M. penescabra than in M. acutispina. Distribution. The species was only known from off Georgia and northwestern Gulf of Mexico, 543– 807 m. The present specimen is from the southeastern Gulf of Mexico, at 565– 578 m.Published as part of Macpherson, Enrique, Beuck, Lydia & Freiwald, Andrè, 2016, Some species of Munidopsis from the Gulf of Mexico, Florida Straits and Caribbean Sea (Decapoda: Munidopsidae), with the description of two new species, pp. 405-416 in Zootaxa 4137 (3) on page 409, DOI: 10.11646/zootaxa.4137.3.7, http://zenodo.org/record/26419
FIGURES 29–34 in Last snails standing since the Early Pleistocene, a tale of Calliostomatidae (Gastropoda) living in deep-water coral habitats in the north-eastern Atlantic
No full textFIGURES 29–34. Calliostoma maurolici on various substrates. 29. Caracole/PL129-7 (ROV). Grazing on dead Lophelia pertusa framework. 30. M61-3/632 (GeoB 9285, ROV). Grazing on dead Lophelia pertusa framework portions. 31. POS 400/GeoB 14544 (ROV 3). Grazing on a Madrepora oculata colony. 32. POS400/GeoB 14548 (ROV5). Two specimens of different age grazing in close vicinity on dead coral framework. 33. POS400/GeoB 14543 (ROV2). Grazing on deep-sea anemone Phelliactis hertwigii. 34. POS400/GeoB 14548 (ROV5). Grazing on epiliths, grown on a hardground. [Fig. 29 was taken by ROV "VIC- TOR 6000", IFREMER, France. Fig. 30 was taken by ROV "QUEST 4000" and Figs 31–34 were taken via ROV "Cherokee", MARUM, Bremen University, Germany.]Published as part of Hoffman, Leon, Beuck, Lydia, Heugten, Bart Van, Lavaleye, Marc & Freiwald, André, 2019, Last snails standing since the Early Pleistocene, a tale of Calliostomatidae (Gastropoda) living in deep-water coral habitats in the north-eastern Atlantic, pp. 93-110 in Zootaxa 4613 (1) on page 103, DOI: 10.11646/zootaxa.4613.1.4, http://zenodo.org/record/323809
FIGURES 15–20 in Last snails standing since the Early Pleistocene, a tale of Calliostomatidae (Gastropoda) living in deep-water coral habitats in the north-eastern Atlantic
No full textFIGURES 15–20. Calliostoma bullatum on substrates. 15. MSM16-3/GeoB 14871 (ROV5). Grazing on carnivorous sponge Cladorhiza corallophila; arrow indicating grazing effect. 16. MSM16-3/GeoB 14902 (ROV10). On framework encrusting sponge. 17. MSM16-3/GeoB 14902 (ROV10). Grazing on a valve of live Acesta excavata, which is colonised by epibionts; the two laser points are at a distance of 6 cm. 18. MSM16-3/GeoB 14902 (ROV10). Grazing on a valve of dead Acesta excavata (note in direct surrounding the free portions of epibionts on the valve and the white framework portions of Lophelia pertusa lacking any tissue). 19. MSM16-3/GeoB 14902 (ROV10). Grazing on a gastropod shell (Ranella olearium). 20. MSM16-3/ GeoB 14891 (ROV9). Grazing on dead hydroid axis in close vicinity to a Solenogastres.Published as part of Hoffman, Leon, Beuck, Lydia, Heugten, Bart Van, Lavaleye, Marc & Freiwald, André, 2019, Last snails standing since the Early Pleistocene, a tale of Calliostomatidae (Gastropoda) living in deep-water coral habitats in the north-eastern Atlantic, pp. 93-110 in Zootaxa 4613 (1) on page 100, DOI: 10.11646/zootaxa.4613.1.4, http://zenodo.org/record/323809
Video annotation of Swiftia phaeton during the MSM16 Cruise in 2010 at the Mauritanian Slope
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