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Euthyrhachis
Taxonomy
Platyceras (Euthyrhachis) was named by Tyler (1965).
It was reranked as Euthyrhachis by Bandel and Frýda (1999).
It was assigned to Platyceras by Tyler (1965); and to Platyceratidae by Bandel and Frýda (1999).
It was reranked as Euthyrhachis by Bandel and Frýda (1999).
It was assigned to Platyceras by Tyler (1965); and to Platyceratidae by Bandel and Frýda (1999).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Platyceras (Euthyrhachis) Tyler p. 345 |
| 1999 | Euthyrhachis Bandel and Frýda p. 222 |
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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.
G. †Euthyrhachis Tyler 1965
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†Euthyrhachis blatchleyi Kindle 1900
†Euthyrhachis indianense Miller and Gurley 1897
†Euthyrhachis vulgaris Perner 1907
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, superf = superfamily, c = class | |||||
| References: Kiessling 2004, Knight et al. 1960, Batten 1984 | |||||
Age range: Givetian or 387.95000 to 382.31000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian | USA (Indiana) | Platyceras indianensis (170009) | |
| Givetian | Czechia (Praha) | Haplospira vulgaris (155582) | |
| Givetian | USA (Michigan) | Platyceras indianense (85062) |