Cerataulus strelnikovae P.A. Sims & D. M. Williams, 2018
publication ID |
https://doi.org/ 10.11646/phytotaxa.382.1.1 |
DOI |
https://doi.org/10.5281/zenodo.13724276 |
persistent identifier |
https://treatment.plazi.org/id/12590703-F437-FFBC-22DC-FCFAFA8123E8 |
treatment provided by |
Felipe |
scientific name |
Cerataulus strelnikovae P.A. Sims & D. M. Williams |
status |
sp. nov. |
Cerataulus strelnikovae P.A. Sims & D. M. Williams sp. nov. ( Figs 152–153 View FIGURES 148–152 View FIGURES 153–156 )
Valves bipolar, apices with short, squat elevations facing opposite directions, rimmed ocellus slanted dorsally on summit ( Fig. 152 View FIGURES 148–152 ). Valves distinctly convex with valve centre flattening out. Valve structure loculate with well-developed annulus extending between elevations ( Fig. 152 View FIGURES 148–152 , arrow). Exterior valve surface with transapical rows of fine pores extending from central annulus to valve margin, within annulus irregularly arranged, interior with foramina. Valve surface covered with spinules, those within annulus linked ( Fig. 153 View FIGURES 153–156 ). Rimoportulae 4–6, positioned either side of annulus, opening through stout, long tubular spines on valve exterior, internal opening unknown. Girdle bands unknown.
Type:— Vema Cruise 17, core 107, water depth 1525m [ CAS nos 39573/9 & 10] ( BM 101831, holotype, designated here).
Observations:— This description is based on specimens from type material: Vema Cruise 17, core 107.
CAS |
California Academy of Sciences |
BM |
Bristol Museum |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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