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Septatrypinae
Taxonomy
Septatrypinae was named by Kozlowski (1929).
It was assigned to Lissatrypidae by Bassett and Cocks (1974), Jin and Chatterton (1997), Musteikis and Modzalevskaya (2002); and to Septatrypidae by Williams et al. (2002), Baarli et al. (2022).
It was assigned to Lissatrypidae by Bassett and Cocks (1974), Jin and Chatterton (1997), Musteikis and Modzalevskaya (2002); and to Septatrypidae by Williams et al. (2002), Baarli et al. (2022).
Synonymy list
| Year | Name and author |
|---|---|
| 1929 | Septatrypinae Kozlowski |
| 1974 | Septatrypinae Bassett and Cocks |
| 1997 | Septatrypinae Jin and Chatterton |
| 2002 | Septatrypinae Musteikis and Modzalevskaya |
| 2002 | Septatrypinae Williams et al. p. 1465 |
| 2022 | Septatrypinae Baarli et al. pp. 2145920-8 |
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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.
Subfm. †Septatrypinae Kozlowski 1929
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G. †Atrypoidea Mitchell and Dun 1920
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Subg. †Atrypoidea (Lissatrypella)
†Atrypoidea linguata von Buch 1834
†Atrypoidea praelingulata Jin et al. 1993
Invalid names: Atrypella [synonym], Globatrypa [synonym], Lingatrypa [synonym]
G. †Cerberatrypa
G. †Cromatrypa Havlíček 1987
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†Cromatrypa orbis Havlíček 1987
†Cromatrypa orbis Havlíček 1987
†Cromatrypa pubes Musteikis and Modzalevskaya 2002
G. †Septatrypa Kozlowski 1929
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Subg. †Septatrypa (Hircinisca)
†Septatrypa julia Billings 1862
†Septatrypa secreta Kozlowski 1929
†Septatrypa subaequalis Bassett 1979
†Septatrypa thetis Barrande 1847
†Septatrypa varians Poulsen 1943
†Septatrypa zelia Barrande 1879
Invalid names: Atrypopsis [synonym], Barkolia [synonym], Dubaria [synonym], Rhynchatrypa Siehl 1962 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. G. Baarli et al. 2022 | Medium-sized, smooth to slightly corrugated, dorsibiconvex shells with strong fold and sulcus. Large dental cavities, thin hinge plates and socket plates, and a well-developed dorsal septum. Dorsomedially directed spiralia with a moderate number of fine lamellae and disjunct jugal processes. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Richmondian to the top of the Eifelian or 449.60000 to 387.95000 Ma
Collections (349 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Eastonian | Australia (New South Wales) | Septatrypa sp. (2648) | |
| Richmondian | Canada (Quebec) | Hyattidina carletona (63675) | |
| Juuru | Estonia (Hiiu) | Atrypopsis reclinis (206882) | |
| Juuru | Estonia | Atrypopsis reclinis (77389) Septatrypa reclinis (172929 172930) | |
| Rhuddanian | Canada (Quebec) | Becscia scissura (158624) Becscia sp. (158625 194353) | |
| Rhuddanian - Aeronian | Russian Federation | Dubaria tenera (185957 185958 185959) | |
| Rhuddanian - Aeronian | Russian Federation (Siberia) | Septatrypa magna, Septatrypa pentagonalis (206542 206543 206560) Septatrypa pentagonalis (206484 206541) | |
| Alexandrian - Ontarian | Canada (Québec) | Atrypopsis julia (24595) | |
| Llandovery | China (Sichuan) | Septatrypa sp. (25734) | |
| Llandovery | Russian Federation (Siberia) | Septatrypa antiguata (206317) Septatrypa magna, Septatrypa magna (206319) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Pragian | Tajikistan | Atrypopsis thetis (45790) | |
| Emsian | Czechia | Cerberatrypa dissidens, Rhynchatrypa thetis (5783) Rhynchatrypa thetis (5815) | |
| Emsian | Morocco | Septatrypa tumulorum (208097) | |
| Emsian | China (Guangxi) | Septatrypa minor, Septatrypa elliptica (27504) Septatrypa sp. (27478 27502 27533) | |
| Late/Upper Emsian | Morocco | Rhynchatrypa thetis (208263) | |
| Late/Upper Emsian - Eifelian | Morocco | Rhynchatrypa thetis (207889) | |
| Late/Upper Emsian - Eifelian | China (Guangxi) | Septatrypa elliptica (25756) | |
| Eifelian | Czechia (Moravia) | Dubaria spp. (25118) Rhynchatrypa thetis (5865) | |
| Eifelian | Czechia | Cerberatrypa dissidens, Cerberatrypa cerberus, Rhynchatrypa thetis (5792) Rhynchatrypa thetis (5816 5817 5819) | |
| Eifelian | China (Guangxi) | Septatrypa elliptica (25817) Septatrypa sp. (27556) | |