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Aluterus shigensis
Taxonomy
Aluterus shigensis was named by Miyajima et al. (2014). Its type specimen is MSFM 00606, a skeleton (part and counterpart), and it is a 3D body fossil. Its type locality is Bessho Tazawa fish, which is in a Miocene alluvial fan mudstone in Japan.
Synonymy list
| Year | Name and author |
|---|---|
| 2014 | Aluterus shigensis Miyajima et al. p. 385 figs. Figures 3–5B, 6–7B, 9 |
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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.
†Aluterus shigensis Miyajima et al. 2014
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Y. Miyajima et al. 2014 | Total vertebrae, 21 (7AV + 14CV). Very slender and long first dorsal spine with tiny anterior barbs. Thin, lancet-shaped single basal pterygiophore supporting two dorsal spines, with its ventral margin separated from the skull. Moderately slender first basal pterygiophore of the soft dorsal fin having its proximal tip located above the middle length of the neural spine of the fifth abdominal vertebra. Soft dorsal-fin base longer than the anal-fin base. Caudal peduncle having nearly equal depth and length. Tiny, fine scales with slender, straight spinules. |
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Age range: Middle Miocene or 15.98000 to 11.63000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Miocene | Japan | Aluterus shigensis (type locality: 237490) |