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Simpsonigobius nerimanae
Taxonomy
Simpsonigobius nerimanae was named by Dirnberger et al. (2024). Its type specimen is BSPG 1980X1030a, b, a skeleton (part and counterpart of complete skeleton, with otolith in situ), and it is a 3D body fossil. Its type locality is Karalar Koyu, which is in a Miocene lacustrine - large lime mudstone in Türkiye. It is the type species of Simpsonigobius.
Entered
by M. Uhen on 2024-10-28
Synonymy list
| Year | Name and author |
|---|---|
| 2024 | Simpsonigobius nerimanae Dirnberger et al. p. 7 figs. Figs 3–6, Table 2 |
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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.
†Simpsonigobius nerimanae Dirnberger et al. 2024
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Dirnberger et al. 2024 | †Simpsonigobius gen. nov. is a small-sized gobioid fish up to 28.3 mm standard length (SL) with a moderately large head (head length 24–31% of SL), a mostly slender body (body depth 10–20% SL), a rela- tively long caudal peduncle measuring 23–32% of SL, and comparatively short bases of D2 and the anal fin (11–18% SL and 10–16% SL, respectively) (Fig. 3, Table 2). The new genus is further characterized by sep- arated pelvic fins and the following combination of mer- istic characters: five branchiostegal rays, total number of vertebrae 26–27 (28?), with 10–11 abdominal, and 16– 17 caudal vertebrae, D1 with six spines, D2 with spine and 9 rays, anal fin with spine and 10 rays, pectoral fin with 12–14 rays, and caudal fin with 13–14 branched and segmented rays. Characteristic osteological charac- ters include a relatively slender premaxilla with either a weak or no postmaxillary process, a palatine with a rela- tively long shaft and weakly developed ‘T’-shaped head, and otoliths of rounded-to-quadrangular shape (L/H ratio 1.08) with a relatively large posterodorsal projection. Details of morphometric and meristic characters are pre- sented in Table 2. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, p = phylum | |||||
| References: Hendy et al. 2009, Bambach et al. 2007, Kiessling 2004, 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 | Türkiye (Busra) | Simpsonigobius nerimanae (type locality: 236754) |