Cerataulus strelnikovae P.A. Sims & D. M. Williams, 2018

Sims, Pat A., Williams, David M. & Ashworth, Matt, 2018, Examination of type specimens for the genera Odontella and Zygoceros (Bacillariophyceae) with evidence for the new family Odontellaceae and a description of three new genera, Phytotaxa 382 (1), pp. 1-56 : 44

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

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