Circeaster americanus ...
Circeaster americanus (A.H. Clark, 1916). AphialD: 178094. New record. (Fig. 2 a-d). Material examined. 1 preserved specimen with register number (included station): 178094 -B35 (B10DR15) Diagnostic characters. Five long arms (Fig. 2a). Abactinal plates: surrounded by granules and the centre of plat...
| Main Authors: | , , , |
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| Format: | Text |
| Language: | unknown |
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Zenodo
2023
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| Online Access: | https://dx.doi.org/10.5281/zenodo.7999752 https://zenodo.org/record/7999752 |
| Summary: | Circeaster americanus (A.H. Clark, 1916). AphialD: 178094. New record. (Fig. 2 a-d). Material examined. 1 preserved specimen with register number (included station): 178094 -B35 (B10DR15) Diagnostic characters. Five long arms (Fig. 2a). Abactinal plates: surrounded by granules and the centre of plates usually naked or sometimes with some scattered granules (Fig. 2a, b). Size of abactinal plates on arms larger than those on disk (Fig. 2a). Papulae single (Fig. 2b). Inferomarginal plates with 40–50 granules (Fig. 2c). Granules on actinal plates and bivalve or spatulate pedicellariae (Fig. 2d). Adambulacral plates: 4–7 furrow spines, 3–4 subambulacral spines and 6 oral spines (Fig. 2d). Distribution. Atlantic Ocean, south of Azores, North Carolina, Gulf of Mexico, Caribbean Sea, Guyana (A.H. Clark, 1916; Clark & Downey 1992; Mah 2022; Obis 2022). Bathymetric range. 500 m (Clark & Downey, 1992)– 2040 m (OBIS 14055 identified by Dilman). Present study: 1400 m. Remarks. There are no other similar species ... : Published as part of García-Guillén, Laura M., Macías-Ramírez, Aurora, Ríos, Pilar & Manjón-Cabeza, M. Eugenia, 2023, Deep-Sea asteroids (Echinodermata; Asteroidea) from the Galician Bank (North Atlantic Ocean), pp. 228-238 in Zootaxa 5297 (2) on page 231, DOI: 10.11646/zootaxa.5297.2.3, http://zenodo.org/record/7993146 ... |
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