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Delthyris
Taxonomy
Delthyris was named by Dalman (1828). It is not extant. Its type is Delthyris elevata.
It was reranked as Spirifer (Delthyris) by Khodalevich (1951).
It was assigned to Spirifer by Khodalevich (1951); to Spiriferacea by Kirk and Amsden (1952); to Spiriferida by Sepkoski (2002); and to Delthyridinae by Bassett and Cocks (1974), Williams et al. (2006).
It was reranked as Spirifer (Delthyris) by Khodalevich (1951).
It was assigned to Spirifer by Khodalevich (1951); to Spiriferacea by Kirk and Amsden (1952); to Spiriferida by Sepkoski (2002); and to Delthyridinae by Bassett and Cocks (1974), Williams et al. (2006).
Species
D. (Quadrifarius), D. acutilirata, D. consobrina, D. elegans, D. elevata (type species), D. ptychodes, D. pusio, D. rostrata
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1828 | Delthyris Dalman |
| 1951 | Spirifer (Delthyris) Khodalevich |
| 1952 | Delthyris Kirk and Amsden |
| 1974 | Delthyris Bassett and Cocks |
| 2002 | Delthyris Sepkoski |
| 2006 | Delthyris Williams et al. p. 1825 |
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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. †Delthyris Dalman 1828
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Subg. †Delthyris (Quadrifarius)
†Delthyris acutilirata Conrad 1842
†Delthyris consobrina dOrbigny 1867
†Delthyris elegans Muir-Wood 1925
†Delthyris elevata Dalman 1828
†Delthyris ptychodes Dalman 1828
†Delthyris pusio Hisinger 1831
†Delthyris rostrata Zieten 1830
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Gamachian to the top of the Late/Upper Mississippian or 445.50000 to 323.40000 Ma
Collections (188 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Gamachian | USA (Illinois) | Spirifer sp. (173289) | |
| Alexandrian | Canada (Québec) | D. sp. (25153 25154) | |
| Llandovery | USA (Nevada) | D. sp. (467) | |
| Alexandrian - Niagaran | Canada (Québec) | D. sp. (25155) | |
| Silurian | Canada (Nunavut) | D. sp. (101986) | |
| Silurian | Australia (Victoria) | D. scabra (10187 10193) | |
| Silurian | USA (Alaska) | D. sp. (109016) | |
| Silurian | USA (Oklahoma) | D. sp. (528) | |
| Niagaran - Sheinwoodian | Canada (Québec) | D. sp. (25157) | |
| Niagaran | Canada (Québec) | D. sp. (25156) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Givetian | USA (West Virginia) | D. sp. (96330) | |
| Givetian | USA (New York) | D. sp. (9364 10119 96209) | |
| Famennian | USA (Indiana) | D. sp. (74997) | |
| Late/Upper Famennian | USA (Missouri) | D. clarksvillensis (6027 6041) | |
| Kinderhookian | Canada (Alberta) | D. solidirostris (8610) | |
| Kinderhookian | USA (Indiana) | D. clarksvillensis (6981) D. sp. (6732 6997) | |
| Tournaisian | Australia (New South Wales) | D. papilionis (58018) | |
| Carboniferous | USA (Montana) | D. sp. (12771) | |
| Visean | Australia (New South Wales) | D. papilionis (46924 46932) | |
| Late/Upper Mississippian | USA (Alaska) | D. sp. (112184) | |