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Crurithyris
Taxonomy
Crurithyris was named by George (1931) [Sepkoski's age data: D Eife Tr Indu-l Sepkoski's reference number: 25,150,1128].
It was reranked as Ambocoelia (Crurithyris) by Schréter (1963).
It was assigned to Ambocoelia by Schréter (1963); to Ambocoeliidae by Brunton and Champion (1974), Savage et al. (1978); to Spiriferida by Sepkoski (2002); and to Ambocoeliinae by Williams et al. (2006).
It was reranked as Ambocoelia (Crurithyris) by Schréter (1963).
It was assigned to Ambocoelia by Schréter (1963); to Ambocoeliidae by Brunton and Champion (1974), Savage et al. (1978); to Spiriferida by Sepkoski (2002); and to Ambocoeliinae by Williams et al. (2006).
Species
C. alaskensis, C. aquilonia, C. arcuata, C. calendae, C. changmeensis, C. clannyana (syn. Martinia winchiana, Thecidium productiforme), C. expansa, C. extumida, C. inflata, C. levicula, C. longa, C. longirostris, C. longtanica, C. major, C. muliensis, C. opalinus, C. parva, C. planoconvexa, C. sulcata, C. telleri, C. tianshengqiaoensis, C. uralica, C. urei, C. wampensis
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Crurithyris George p. 42 |
| 1963 | Ambocoelia (Crurithyris) Schréter p. 134 |
| 1974 | Crurithyris Brunton and Champion p. 830 |
| 1978 | Crurithyris Savage et al. p. 379 |
| 2002 | Crurithyris Sepkoski |
| 2006 | Crurithyris Williams et al. p. 1733 |
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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. †Crurithyris George 1931
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†Ambocoelia planoconvexa guadalupensis Girty 1909
†Crurithyris alaskensis Savage et al. 1978
†Crurithyris aquilonia Stehli and Grant 1971
†Crurithyris arcuata Girty 1910
†Crurithyris calendae Johnson 1971
†Crurithyris changmeensis Li 1986
†Crurithyris clannyana King 1848
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Invalid names: Martinia winchiana King 1848 [synonym], Thecidium productiforme von Schauroth 1854 [synonym]
†Crurithyris expansa Dunbar and Condra 1932
†Crurithyris extumida Jin and Ye 1979
†Crurithyris inflata Schnur 1853
†Crurithyris levicula Rowley 1900
†Crurithyris longa Liao 1980
†Crurithyris longirostris Cooper and Grant 1976
†Crurithyris longtanica Jin and Hu 1978
†Crurithyris major Cooper and Grant 1976
†Crurithyris muliensis Xu 1978
†Crurithyris opalinus Termier and Termier 1977
†Crurithyris parva Weller 1899
†Crurithyris planoconvexa Shumard 1855
†Crurithyris sulcata Stehli 1954
†Crurithyris telleri Schellwien 1900
†Crurithyris tianshengqiaoensis Feng 1978
†Crurithyris uralica Stepanov and Kalashnikov 1998
†Crurithyris urei Fleming 1828
†Crurithyris wampensis Mills and Langenheim Jr. 1987
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 140 | 3.92 | 1.00 | 19.0 | 3.75 | 3.67 | |
| valve height | 2 | 7.16 | 6.10 | 8.40 | 7.25 | 1.63 |
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| Source: superf = superfamily, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Early/Lower Emsian to the top of the Dienerian or 410.62000 to 249.90000 Ma
Collections (940 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Emsian | USA (Alaska) | C. sp. (3477 3478 3480 3483) | |
| Emsian | China (Guangxi) | C. sp. (27476 27504) | |
| Late/Upper Emsian | Canada (Nunavut) | C. sp. (26625) | |
| Eifelian | Germany (Nordrhein-Westfalen,) | Spirifer inflatus (77050) | |
| Eifelian | China (Guangxi) | C. sp. (27560) | |
| Eifelian | USA (Nevada) | C. calendae (3830) | |
| Eifelian | Germany | C. sp. (127762) | |
| Early/Lower Givetian | Czechia (Moravia) | C. inflata (5767) | |
| Givetian | France (Boulonnais) | C. inflata (65762) | |
| Givetian | Poland | C. jurkowicensis (83035) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Changhsingian | China (Guizhou) | C. longa (112359) C. longirostris, C. sulcata (197028) C. sp. (151135) C. sulcata (197014 197015 197016 197027 197029 197030 197031 197033 197034 197035 197036 197037 197038 197039 197040 197043 197044) C. sulcata, C. longtanica (197017 197026 197041 197042) | |
| Changhsingian | New Zealand (Southland) | C. sp. (41765) | |
| Changhsingian - Griesbachian | China (Sichuan) | C. sp. (48944) | |
| Griesbachian | China (Sichuan) | C. sp. (149112 149115) | |
| Griesbachian | China (Chongqing) | C. longa (149135) C. sp. (156866) | |
| Griesbachian | China (Hubei) | C. sp. (204851 204853 204854 204855 204856 204857 204868 204869 204870 204879 204880) | |
| Griesbachian | China (Guangxi) | C. sp. (121129) | |
| Griesbachian | China (Guizhou) | C. sp. (200991 201000 201002 201007 201013) C. sulcata (197045) C. tianshengqiaoensis (108179) | |
| Early/Lower Triassic | China (Sichuan) | C. muliensis (123664) | |
| Dienerian | China (Hubei) | C. sp. (187725 187726 187727 187731) | |