Crassostrea Sacco, 1897
publication ID |
https://doi.org/ 10.5281/zenodo.13244740 |
DOI |
https://doi.org/10.5281/zenodo.13244865 |
persistent identifier |
https://treatment.plazi.org/id/F01A8782-9303-F602-FC00-5506B1C4FD7D |
treatment provided by |
Felipe |
scientific name |
Crassostrea Sacco, 1897 |
status |
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Crassostrea Sacco, 1897 View in CoL
Crassostrea Sacco, 1897: 15 View in CoL ; Dall, 1898: 671; Hirase, 1930: 41; Stenzel, 1971: N1128-N1131; Torigoe, 1981: 304, 325; Harry, 1985: 152, 156; Coan et al., 2000: 216.
Dioeciostrea Orton, 1928: 320 View in CoL .
Type species. – Crassostrea virginica, Gmelin, 1791 , by original designation.
Description. – Size varies among species and populations and can be up to 60 cm in height. Outline is variable among individuals but is usually high, slender and spatulate. Shell rough externally with many nonappressed, irregularly spaced growth squamae which are either simple or frilled along their free ends. Rounded radial ribs on some individuals, more common on left than on the right valve and tend to end as undulating ventral shell margins. Chambers are common. Well-developed umbonal cavity on left valve. No chomata. Adductor muscle scar close to postero-ventral valve margin. Ligamantal area on left valve well-developed with dense growth foliations. This always give rise to a well-developed, convex resilifer and ligamantal area on the right valve. Nonincubatory. Cosmopolitan.
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