Cardiomya sp. 2, A. Adams, 1864

Lima, Tarcilla Carvalho De, Oliveira, Cléo Dilnei de Castro & Absalão, Ricardo Silva, 2020, Small, rare and little known: new records and species of Cardiomya (Bivalvia: Cuspidariidae) from Brazil, European Journal of Taxonomy 619, pp. 1-20 : 13-14

publication ID

https://doi.org/ 10.5852/ejt.2020.619

publication LSID

lsid:zoobank.org:pub:BBB01195-73A4-44DB-8454-CC86B9C21EDF

DOI

https://doi.org/10.5281/zenodo.3795754

persistent identifier

https://treatment.plazi.org/id/0D2C87DF-FFDC-FFD1-B8A8-F8C0CFA89F5F

treatment provided by

Valdenar

scientific name

Cardiomya sp. 2
status

 

Cardiomya sp. 2

Fig. 6 View Fig C–D

Material examined

BRAZIL – Amapá state • [1v]; off Salinópolis ; 00°29′00″ S, 47°24′00″ W; 22 m depth; 15 Jun. 1971; GEOMAR III, stn 2533; CMPHRM 3668 GoogleMaps .

Description

Shell small (length 5.8 mm; height 4.1 mm). Shell flank triangular, umbones blunt. Anterodorsal margin descending, anterior margin extended, ventral margin rounded, crenulated. Rostrum very short, posteroventral sinuation unobtrusive, posterodorsal margin slightly curved upwards, not extending much above the umbones. External sculpture of 17 radial ribs, many incomplete on the middle of the shell flank, followed by three strongest and most widely spaced complete radial ribs; rostrum with commarginal growth lines only.

Geographic distribution

Brazil, Amapá state, off Salinópolis, 22 m.

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