COCCODONTIDAE Berg, 1940
publication ID |
https://doi.org/ 10.5281/zenodo.5371649 |
DOI |
https://doi.org/10.5281/zenodo.5463322 |
persistent identifier |
https://treatment.plazi.org/id/03B887AB-FF85-FFAD-FF1A-FD7CFE5EFB90 |
treatment provided by |
Marcus |
scientific name |
COCCODONTIDAE Berg, 1940 |
status |
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Family COCCODONTIDAE Berg, 1940
TYPE GENUS. — Coccodus Pictet, 1850 .
INCLUDED GENERA. — The type genus, Ichthyoceros Gayet, 1984 , and Trewavasia White & Moy-Thomas, 1941 .
REVISED DIAGNOSIS. — Pycnodontoid fishes with the following unique combination of primitive and derived characters: extrascapular not fused to parietal; neural and haemal corresponding arcocentra partially surrounding notochord; six to eight epichordal elements in caudal endoskeleton; hypochordal elements in caudal endoskeleton enlarged; less than 29 dorsal axonosts; if present, first dorsal ridge scale larger than subsequent dorsal ridge scales; two or less dorsal ridge scales; three or less ventral keel scales; at most one post-cloacal ventral keel scale.
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