Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Polymerichthys
Taxonomy
Polymerichthys was named by Uyeno (1967). Its type is Polymerichthys nagurai.
It was assigned to Polymerichthyidae by Uyeno (1967), Carnevale (2007), Nazarkin (2016) and Legendre et al. (2020).
It was assigned to Polymerichthyidae by Uyeno (1967), Carnevale (2007), Nazarkin (2016) and Legendre et al. (2020).
Species
P. nagurai (type species)
Synonymy list
Year | Name and author |
---|---|
1967 | Polymerichthys Uyeno p. 284 figs. Fig. 1-3, Pis. 1-2 |
2007 | Polymerichthys Carnevale p. 19 |
2016 | Polymerichthys Nazarkin p. 830 |
2020 | Polymerichthys Legendre et al. p. 19 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
Diagnosis
Reference | Diagnosis | |
---|---|---|
T. Uyeno 1967 | The dorsal fin has a long base starting immediately behind the head region. The number of dorsal rays is abonl 300 to 350. The pectoral fins are ventrally situated. The premaxillary and dentary teeth are small and numerous. There are about 186 vertebrae. The neural and haemal spines project from the central part of the centrum. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
Source: o = order, subp = subphylum | |||||
References: Hendy et al. 2009, Carroll 1988 |
Age range: base of the Chattian to the top of the Middle Miocene or 28.10000 to 11.60800 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Chattian | Russian Federation (Sakhalin) | P. sp. (204545) | |
Middle Miocene | Japan (Aichi) | P. nagurai (204547) | |
Middle Miocene | Italy | P. sp. (185486) | |
Middle Miocene - Late/Upper Miocene | Russian Federation | P. sp. (185386) |