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Ophiopsis breviceps

Osteichthyes - Ophiopsiidae

Taxonomy
Ophiopsis breviceps was named by Egerton (1852). It is a compression fossil.

Entered
by P. Vazquez (authorized by M. Clapham) on 2012-08-04

Synonymy list
YearName and author
1852Ophiopsis breviceps Egerton figs. pl. vi
1895Ophiopsis breviceps Woodward p. 170
1918Ophiopsis breviceps Woodward
1975Ophiopsis breviceps Bartram

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classOsteichthyes
subclassActinopterygii()
NeopterygiiRegan 1923
Halecomorphi(Cope 1872)
familyOphiopsiidaeBartram 1975
genusOphiopsis
speciesbrevicepsEgerton 1852

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Ophiopsis breviceps Egerton 1852
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Diagnosis
ReferenceDiagnosis
A. S. Woodward 1918A robust species about 12 cm . in length . Length of head with opercular apparatus about equal to maximum depth of trunk , which is twice as great as depth of caudal pedicle and contained about four and a half times in total length of fish . External head - bones coarsely tuberculated or rugose ; marginal teeth long and slender . Dorsal fin occupying greater part of hinder two - thirds of back , with about 35 rays , of which the longest do not equal the depth of the trunk at their point of insertion ; pelvic fins arising almost at the middle point between the pectorals and the caudal . Scales smooth and somewhat concave externally , with a strongly but finely serrated hinder border
A. W. H. Bartram 1975Ophiopsis reaching standard length of 90 mm; mean proportions as percentage of standard length: head length 27.5; trunk depth 23.5;predorsal length 52; prepelvic length 62; dorsal fin ray count c. 3 5