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Pinichthys fractus
Taxonomy
Pinichthys fractus was named by Bannikov (1985). Its type specimen is PIN 2180 - 253, a partial skeleton, and it is a 3D body fossil. Its type locality is Apsheron Peninsula, Baku Region, which is in a Miocene marine horizon in Azerbaijan. It is the type species of Pinichthys.
Synonymy list
| Year | Name and author |
|---|---|
| 1985 | Pinichthys fractus Bannikov p. 8 figs. Plate VI, Fig . 4-7 |
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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.
†Pinichthys fractus Bannikov 1985
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. F. Bannikov 1985 | Body rather deep, its depth exceeding head length. Length of head nearly 3 8 body length. Eyes medium size. Mouth terminal, praemaxillaria non-protrusible, supramaxillaria absent. Mandibular articulation not extending beyond vertical through anterior third of eye. Teeth small, closely spaced. Bones of gill cover without denticulations and spines. Supraoccipital ridge high. Five-six radii branchiostegi.
Vertebrae high, numbering about 30, of which 17 are caudal. In the caudal skeleton there are three epurals, two hypural plates, a free fifth hypurale, and a stegurale; the second preural vertebra has a low neural ridge. Ribs of medium length, posteriorly on parapophyses. Three long predorsal bones. Dorsal fin uninterrupted, not forming a falcate lobe; in it are 4-5 spines and about 40 soft rays. In the anal fin, similar in shape to the dorsal, are 35-40 rays, the first ones probably spinous. Pectoral fins inserted low on the body, of moderate length. Pelvic fins very small. Caudal fin forked, quite large. Scales are smallish, cycloid. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| Reference: Carroll 1988 | |||||
Age range: Early/Lower Miocene or 23.04000 to 15.98000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Miocene | Azerbaijan | Pinichthys fractus (type locality: 127434) |