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Specimen from R/V ‘Akademik Kurchatov’ cruise 37, station 3787. A, aboral surface. B, oral surface. C, anterior surface. D, posterior surface. E, right side. from Saucède, T., Mironov, A. N., Mooi, R. & David, B. 2009. The morphology, ontogeny, and inferred behaviour of the deep-sea echinoid Calymne relicta (Holasteroida). Zoological Journal of the Linnean Society 155, 630-648.
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Antrechinus drygalskii / left: apical view, right: oral view, (after Mortensen, 1909).
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Apical disc details of Carnarechinus clypeatus modified from Mironov (1978: fig. 1). Scale bar equals 10 mm; interambulacra shaded. Mironov, A. N. 1978. [Meridosternous echinoids (Echinoidea: Meridosternina) collected during the 16th cruise of the R/V 'Dm. Mendeleev']. Trudy Instituta Okeanologii, Akademii Nauk SSSR, 113, 208-226.
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PRESERVED_SPECIMEN; Preparations:Dry; Plexechinus spectabilis Mortensen, 1948; Individual count:1; Type status:HOLOTYPE; Identified by:Mortensen, Th.; Event date:19090109T00:00:00Z; Additional description:dorsal
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PRESERVED_SPECIMEN; Preparations:Dry; Urechinus reticulatus H.L.Clark, 1913; Individual count:1; Type status:HOLOTYPE; Identified by:Clark, Hubert Lyman; Event date:19110424T00:00:00Z; Additional description:lateral
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PRESERVED_SPECIMEN; Preparations:Alcohol (Ethanol); Plexechinus nordenskioldi Mortensen, 1905; Individual count:7; Type status: (no data); Identified by:David, B.; Event date:19890118T00:00:00Z; Additional description:Wet specimen.
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PRESERVED_SPECIMEN; Preparations:Dry; Urechinus mortenseni David & Mooi, 1990; Individual count:25; Type status:PARATYPE; Identified by:David; Mooi; Event date:19621231T00:00:00Z; Additional description:Urechinus mortenseni David & Mooi, 1990 (USNM E11016 #14) paratype, lateral view Scale : 1 cm
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Apical system plate architecture of Calymne relicta (MCZ 8571) from R/V ‘Atlantis’ cruise 24, station 122, anterior towards top of page, interambulacral plates shaded, apical plates labelled according to Lovén’s system. A, adult specimen approximately 30 mm long. B, juvenile specimen (lacking gonopores) 11.3 mm in test length. from Saucède, T., Mironov, A. N., Mooi, R. & David, B. 2009. The morphology, ontogeny, and inferred behaviour of the deep-sea echinoid Calymne relicta (Holasteroida). Zoological Journal of the Linnean Society 155, 630-648.
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Antrechinus mortenseni (after Mooi & David, 1993).
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Adoral plating of (A) the plastron (intermabulacrum 5) and one of the paired ambulacra (B) of Carnarechinus clypeatus modified from Mironov (1978: fig. 1). Scale bar equals 2 mm; interambulacra shaded. Mironov, A. N. 1978. [Meridosternous echinoids (Echinoidea: Meridosternina) collected during the 16th cruise of the R/V 'Dm. Mendeleev']. Trudy Instituta Okeanologii, Akademii Nauk SSSR, 113, 208-226.
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PRESERVED_SPECIMEN; Preparations:Alcohol (Ethanol); Plexechinus nordenskioldi Mortensen, 1905; Individual count:7; Type status: (no data); Identified by:David, B.; Event date:19890118T00:00:00Z; Additional description:Wet specimen.
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PRESERVED_SPECIMEN; Preparations:Dry; Urechinus mortenseni David & Mooi, 1990; Individual count:25; Type status:PARATYPE; Identified by:David; Mooi; Event date:19621231T00:00:00Z; Additional description:Urechinus mortenseni David & Mooi, 1990 (USNM E11016 #105) paratype male, lateral view Scale : 1 cm
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Plate architecture of Calymne relicta. For each, the fasciole is indicated by bands of small, open circles, the interambulacra are shaded, mouth and anal openings are black, some plate sutures are omitted because they were not visible on the specimen. The plates of the posterior interambulacrum are numbered according to Lovén’s rule. Scale bars are 5 mm long. A, oral surface of adult specimen from R/V ‘Akademik Kurchatov’ cruise 37, station 3787, anterior towards top of page. B, posterior surface of specimen in (A). C, left side of specimen from MCZ 8571, R/V ‘Atlantis’ cruise 24, station 122, position of mouth indicated by dashed line. D, posterior surface of specimen in (C), viewed slightly more from the oral surface than view shown in (B). from Saucède, T., Mironov, A. N., Mooi, R. & David, B. 2009. The morphology, ontogeny, and inferred behaviour of the deep-sea echinoid Calymne relicta (Holasteroida). Zoological Journal of the Linnean Society 155, 630-648.
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Longitudinal section of a female of an extant Antarctic brooder, Antrechinus mortenseni. This interior view of the test shows two brood pouches, each of which contains a juvenile at a different stage of development. Also shown are different internal organs (gonoducts, ovaries, water vessels, etc.) and the birth canal through which the young move as they are released to the external environment through enlargement of the apical aperture. from David, B., Mooi, R., Néraudeau, D., Saucède, T. & Vilier, L. 2009. Évolution et radiations adaptatives chez les échinides. Comptes Rendus Palevol 8, 189–207.
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PRESERVED_SPECIMEN; Preparations:Alcohol (Ethanol); Plexechinus nordenskioldi Mortensen, 1905; Individual count:7; Type status: (no data); Identified by:David, B.; Event date:19890118T00:00:00Z; Additional description:Wet specimen.
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PRESERVED_SPECIMEN; Preparations:Dry; Urechinus mortenseni David & Mooi, 1990; Individual count:1; Type status:ALLOTYPE; Identified by:David; Mooi; Event date:19621231T00:00:00Z; Additional description:Urechinus mortenseni David & Mooi , 1990 (USNM E40040) allotype, oral view Scale : 2 cm
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Location of spine types on Calymne relicta plotted on specimen from R/V ‘Akademik Kurchatov’ cruise 37, station 3787. For each view of entire specimen, the orientation of the power stroke as suggested by tubercle asymmetry is indicated by the direction of the small lines leading away from the dot. The upper drawing of the entire specimen is an oblique view from the anterior-dorsal, anterior to the right. The lower drawing of the entire specimen is an oblique view from the posterior-ventral, anterior to the right. Shaded bands indicate the position of the fasciole. For each spine drawing (except for the clavule), the image on the left is a ‘frontal’ view, the one on the right is a ‘side’ view. Scale bar at lower right is for the spines, which are all drawn to scale. from Saucède, T., Mironov, A. N., Mooi, R. & David, B. 2009. The morphology, ontogeny, and inferred behaviour of the deep-sea echinoid Calymne relicta (Holasteroida). Zoological Journal of the Linnean Society 155, 630-648.
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Antrechinus nordenskjoldi / left: apical view, right: oral view.
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PRESERVED_SPECIMEN; Preparations:Dry; Urechinus mortenseni David & Mooi, 1990; Individual count:25; Type status:PARATYPE; Identified by:David; Mooi; Event date:19621231T00:00:00Z; Additional description:Urechinus mortenseni David & Mooi, 1990 (USNM E11016 #105) paratype male, posterior view Scale : 1 cm
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Drawings of spines of Calymne relicta, depicted as viewed with transmitted light microscopy. Scale bar at uppermost refers to (A)–(E), at lower left to (F) and (G), at lower right to (H). A, ‘frontal’ view of type L3. B, ‘side’ view of type L3. C, ‘side’ view of type L4. D, ‘frontal’ view of type S1. E, ‘frontal’ view of type S3. F, ‘frontal’ view of miliary. G, ‘side’ view of miliary. H, clavule from fasciole. from Saucède, T., Mironov, A. N., Mooi, R. & David, B. 2009. The morphology, ontogeny, and inferred behaviour of the deep-sea echinoid Calymne relicta (Holasteroida). Zoological Journal of the Linnean Society 155, 630-648.
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Ceratophysa ceratopyga / upper right: oral view, lower left: lateral view, (after A. Agassiz, 1881).
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PRESERVED_SPECIMEN; Preparations:Dry; Urechinus mortenseni David & Mooi, 1990; Individual count:1; Type status:HOLOTYPE; Identified by:David; Mooi; Event date:19621231T00:00:00Z; Additional description:ventral
