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Caucasichthyidae
Taxonomy
Caucasichthyidae was named by Bannikov et al. (2011).
It was assigned to Perciformes by Bannikov et al. (2011); and to Eupercaria by van der Laan (2019).
It was assigned to Perciformes by Bannikov et al. (2011); and to Eupercaria by van der Laan (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 2011 | Caucasichthyidae Bannikov et al. p. 83 |
| 2019 | Caucasichthyidae van der Laan p. 80 |
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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.
Fm. †Caucasichthyidae Bannikov et al. 2011
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. F. Bannikov et al. 2011 | Body elongated, with relatively small head and long caudal peduncle. Mouth moder???? ately large; jaw teeth small and conical. Preopercle with several spines in juveniles; posteroventral spine becoming larger during ontogeny. About 40 vertebrae, about 25 of which caudal. Hypurals 3–4 fused into single plate. Supraneurals absent. First dorsal fin with 12 spines; second dorsal fin with one spine and about 12 soft rays. Anal fin originating under soft dorsal fin, but more extended; with two weak spines and about 18 soft rays. Pectoral fins rather small; pelvic fins long and situated just behind pectorals. Caudal fin forked, with 16 principal rays. Scales moderately large, bear???? ing laterally projecting spinules on most of body, but smooth on area in middle of flanks. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Kiessling 2004, Carroll 1988, Hendy et al. 2009 | |||||
Age range: Middle Eocene or 48.07000 to 37.71000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Eocene | Russian Federation (Krasnodar) | Caucasichthys kumaensis (207626) |