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Eucyclus
Taxonomy
Eucyclus was named by Eudes-Deslongchamps (1860) [Sepkoski's age data: Tr Carn T Ol-l Sepkoski's reference number: 797,1066]. It is the type genus of Eucyclidae.
It was synonymized subjectively with Amberleya by Cox (1928); it was reranked as Amberleya (Eucyclus) by Kase (1984).
It was assigned to Amberleya by Kase (1984); to Archaeogastropoda by Sepkoski (2002); and to Eucyclidae by Koken (1896), Bouchet et al. (2005), Bandel (2010), Ferrari et al. (2014).
It was synonymized subjectively with Amberleya by Cox (1928); it was reranked as Amberleya (Eucyclus) by Kase (1984).
It was assigned to Amberleya by Kase (1984); to Archaeogastropoda by Sepkoski (2002); and to Eucyclidae by Koken (1896), Bouchet et al. (2005), Bandel (2010), Ferrari et al. (2014).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1860 | Eucyclus Eudes-Deslongchamps p. 96 |
| 1896 | Eucyclus Koken |
| 1984 | Amberleya (Eucyclus) Kase p. 96 |
| 2002 | Eucyclus Sepkoski |
| 2005 | Eucyclus Bouchet et al. p. 73 |
| 2010 | Eucyclus Bandel p. 448 |
| 2014 | Eucyclus Ferrari et al. p. 1176 |
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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. †Eucyclus Eudes-Deslongchamps 1860
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†Amberleya (Eucyclus) alpina Stoliczka 1861
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Invalid names: Eunema intercingulata Seguenza 1885 [synonym], Eunema laevis Seguenza 1885 [synonym], Eunema sororcula Seguenza 1885 [synonym], Eunema trochiformis Seguenza 1885 [synonym]
†Amberleya (Eucyclus) carpathica Uhlig 1878
†Eucyclus conspersus Tate and Blake 1876
†Eucyclus denticulatus Haas 1953
†Eucyclus dunkeri Goldfuss 1844
†Eucyclus elegans Brosamlen 1909
†Eucyclus multistriata Pan 1977
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 4 | 1.94 | 0.800 | 5.10 | 2.55 | 2.28 | |
| shell height | 6 | 1.96 | 1.10 | 3.40 | 1.95 | 0.893 |
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| Source: superf = superfamily, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Anisian to the top of the Priabonian or 246.70000 to 33.90000 Ma
Collections (99 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Anisian | Chile (Atacama) | E. sp. (200772) | |
| Tuvalian | China (Yunnan) | E. multistriata (165395) | |
| Lacian | China (Yunnan) | E. sp. (165408) | |
| Norian | Peru | E. tricarinatus (71780) | |
| Norian - Rhaetian | Peru | E. denticulatus (68136) | |
| Rhaetian | Peru | E. denticulatus (68116) | |
| Early/Lower Hettangian | France | E. sp. (39215) | |
| Hettangian | Hungary | Amberleya sp. (28944) | |
| Planorbis | France | E. sp. (39380) | |
| Late/Upper Hettangian - Early/Lower Sinemurian | Chile | E. subtiliscostatus (58435) | |
| Aratauran | New Zealand | E. sp. (63815) | |
| Early/Lower Jurassic | Germany | E. sp. (23813) | |
| Early/Lower Sinemurian | Chile | E. sp. (95081) | |
| Late/Upper Sinemurian - Early/Lower Pliensbachian | Hungary | Amberleya alpina (78691) | |
| Davoei | Hungary | Amberleya alpina (108950 108954 108956 109115 109120 118998 119000 119002 119003 119134) | |
| Early/Lower Pliensbachian | Italy (Messina) | E. alpinus (173593) | |
| Ibex | Hungary | Amberleya alpina (108946 108949) | |
| Jamesoni | Türkiye | Amberleya alpina (158460 158462 200773) | |
| Late/Upper Pliensbachian | Germany (Bavaria) | E. sp. (23849 23850 23851 23852 23853 23854 23855 23856 23857 23859 23860) E. sp. 1 (23858) | |
| Late/Upper Pliensbachian | Germany | E. sp. (23625 23627 23839 23840 23841 23842 23843 23844 23845 23846 23847 23848) | |
| Margaritatus | Spain (Alicante ) | Amberleya sp., Amberleya alpina (130881) | |
| Margaritatus | Hungary | Amberleya alpina (108895 109097 109105 109110 109491) | |
| Pliensbachian | Italy (Veneto) | E. kericserensis (98398) | |
| Pliensbachian | Hungary | Amberleya alpina (91406 91407) | |
| Spinatum | Germany (Bavaria) | E. elegans (25502) | |
| Spinatum | Germany | E. conspersus (152175) | |
| Early/Lower Pliensbachian - Middle Toarcian | Hungary | Amberleya alpina (108969) | |
| Early/Lower Toarcian | Spain | Amberleya sp. (25211 25212 25620 25665 26137) | |
| Early/Lower Toarcian | Portugal (Coimbra) | E. sp. (211003) | |
| Late/Upper Toarcian - Aalenian | France | E. subangulatus (51501) | |
| Concavum | Morocco | E. ornatus (97935) | |
| Bajocian | Morocco | E. ornatus (97888 97936 97937) E. sp. (97933 97934) | |
| Discites | Luxembourg | E. sp. (141491) | |
| Early/Lower Valanginian | Russian Federation | E. kloosi (189621 189622 189627) | |
| Late/Upper Valanginian | Hungary | E. sp. (25152) | |
| Valanginian | Hungary | E. sp. (25151) | |
| Valanginian | Austria | Amberleya acuminatus (55836) | |
| Barremian | Germany | E. kloosi (67175) E. stillei, E. callistoides (67178) | |
| Barremian | Japan | Amberleya japonicus (91332) | |
| Aptian | Austria | Amberleya coquandi, Amberleya golezianus (65801) | |
| Aptian | United Kingdom (England) | E. upwarensis (1866) | |
| Early/Lower Albian | France | E. clansayesiensis (58379) | |
| Early/Lower Albian | United Kingdom (England) | E. sp. (1783) | |
| Late/Upper Albian | France | E. golezianus (58885) | |
| Santonian | Spain (Cataluna) | E. cossmanni (88324) | |
| Priabonian | Bulgaria | Amberleya deshayesi (103739 103760) | |
| Priabonian | Bulgaria (Burgas) | Amberleya deshayesi (85445 102230) |