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Platyceras rarispinum
Taxonomy
Platyceras dumosum rarispinum was named by Hall (1859) [Platyceras dumosum var. rarispinum Hall 1860b]. It is not extant.
It was recombined as Platyceras rarispinum by Oliver (1952).
It was recombined as Platyceras rarispinum by Oliver (1952).
Sister species lacking formal opinion data
Synonymy list
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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.
†Platyceras rarispinum Hall 1859
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, superf = superfamily, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004, Knight et al. 1960, Batten 1984 | |||||
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Eifelian | Canada (Ontario) | Platyceras dumosum (3845) | |
| Eifelian | USA (New York) | Platyceras rarispinum (9540 9541 9553 9614 9617) | |
| Givetian | USA (Michigan) | Platyceras rarispinum (38475) | |
| Givetian | USA (Ohio) | Platyceras rarispinum (38455 38457 38458 38459) |