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Taxonomy
Pteria kitakamiensis was named by Hayami (1958). It is not extant. Its type specimen is MM 2737. Its type locality is Niranohama, Utatsu-cho, Motoyoshi-gun, Miyagi Prefecture, which is in a Hettangian marine horizon in the Niranohama Formation of Japan.
Sister species lacking formal opinion data
P. aculeati, P. africana, P. caudata, P. coturnix, P. falcata, P. gansingensis, P. hofmanni, P. nitida, P. percompressa, P. petropolitana, P. phalaenacea, P. pygmaea, P. rostrata, P. serini, P. stoppanii, P. tanganyicensis, P. tofanae, P. tofaniea, P. ussurica, P. texturata, P. petropolitana, P. petropolitana
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Pteria kitakamiensis Hayami |
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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.
†Pteria kitakamiensis Hayami 1958
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Voigt 1973 | |||||
Age range: Hettangian or 201.40000 to 199.50000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hettangian | Japan (Miyagi) | Pteria kitakamiensis (40541) | |
| Hettangian | Japan | Pteria kitakamiensis (type locality: 119673) |