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Liroceras
Taxonomy
Liroceras was named by Teichert (1940) [Sepkoski's age data: C Vise-u P l Sepkoski's reference number: 524].
It was assigned to Nautilida by Sepkoski (2002); and to Liroceratidae by Miller and Youngquist (1949), Teichert et al. (1964), Barskov and Shilovsky (2014) and Miao et al. (2019).
It was assigned to Nautilida by Sepkoski (2002); and to Liroceratidae by Miller and Youngquist (1949), Teichert et al. (1964), Barskov and Shilovsky (2014) and Miao et al. (2019).
Species
L. bakhense, L. chenxianense, L. devjatovense, L. didmyoaurise, L. excentricum, L. fornicatum, L. gardenense, L. globulare, L. hsuyuchiani, L. hunanense, L. involutum, L. karaouii, L. korulkense, L. leitrimense, L. lichuanense, L. liratum, L. meishanense, L. missouriensis, L. molengraafi, L. orientale, L. praelunense, L. ruzhencevi, L. salomonensis, L. shakhtauense, L. sinense, L. vermis, L. volgense, L. waterloti
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Nautilus (Coloceras) Reed |
| 1940 | Liroceras Teichert |
| 1949 | Liroceras Miller and Youngquist |
| 1964 | Liroceras Teichert et al. p. 444 |
| 2002 | Coloceras Sepkoski |
| 2002 | Liroceras Sepkoski |
| 2014 | Liroceras Barskov and Shilovsky p. 1381 |
| 2019 | Liroceras Miao et al. p. 343 |
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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. †Liroceras Teichert 1940
show all | hide all
†Liroceras bakhense Reed 1944
†Liroceras chenxianense Liang 1984
†Liroceras devjatovense Shimanskiy 1967
†Liroceras didmyoaurise Xu 1977
†Liroceras excentricum Eichwald 1857
†Liroceras fornicatum Shimanskiy 1967
†Liroceras gardenense Prinoth and Posenato 2007
†Liroceras globulare Hyatt 1893
†Liroceras hsuyuchiani Zhao 1954
†Liroceras hunanense Zhao 1954
†Liroceras involutum Zhao 1954
†Liroceras karaouii Korn and Klug 2023
†Liroceras korulkense Yakovlev 1899
†Liroceras leitrimense Ramsbottom and Moore 1961
†Liroceras lichuanense Wu and Kuang 1992
†Liroceras liratum Girty 1912
†Liroceras meishanense Zhao et al. 1978
†Liroceras missouriensis Swallow 1858
†Liroceras molengraafi Haniel 1915
†Liroceras orientale Zhao 1954
†Liroceras praelunense Shimanskiy 1967
†Liroceras ruzhencevi Shimanskiy 1967
†Liroceras salomonensis Gemmellaro 1889
†Liroceras shakhtauense Leonova and Shchedukhin 2020
†Liroceras sinense Chao 1940
†Liroceras vermis Korn and Klug 2023
†Liroceras volgense Barskov and Shilovsky 2014
†Liroceras waterloti Vaillant-Couturier Treat 1933
Invalid names: Coloceras [replaced]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 35 | 19.2 | 7.40 | 134.0 | 18.7 | 25.7 | |
| shell diameter | 35 | 37.1 | 14.0 | 294.0 | 38.0 | 46.5 | |
| shell inflation | 35 | 1.17 | 0.001 | 21.0 | 6.70 | 6.19 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Chadian to the top of the Changhsingian or 346.70000 to 252.17000 Ma
Collections (86 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chadian - Arundian | Russian Federation | L. praelunense (166467 166517) | |
| Asbian | Morocco | L. karaouii (231792) | |
| Asbian | United Kingdom (Northern Ireland) | L. sp. (224469) | |
| Brigantian | Ireland | L. grundense, L. leitrimense (224288) L. occlusor (224293 224294 224458 224460 224462) L. schaelkense (224457 224466) L. schaelkense, L. occlusor (224459) | |
| Brigantian | Morocco | L. vermis (157749) | |
| Brigantian | Russian Federation | L. fornicatum (166358 166481) | |
| Pendleian | Russian Federation (Orenburg) | L. ruzhencevi (166475) | |
| Pendleian | Kazakhstan | L. ruzhencevi (8421 166476) | |
| Pendleian | USA (Arkansas) | L. sp. (175860) | |
| Serpukhovian | Russian Federation | L. excentricum (166482 166518) | |
| Arnsbergian | United Kingdom (England) | L. lunense (8442) | |
| Arnsbergian | USA (California) | L. sp. (217143) | |
| Morrowan | USA (Ohio) | Coloceras sp. (71998) | |
| Morrowan | USA (Arizona) | L. sp. (42672) | |
| Morrowan | USA (Arkansas) | L. sp. (43362) | |
| Bashkirian | Ukraine | L. sp. (228670) | |
| Westphalian | USA (Kentucky) | L. sp. (52864) | |
| Desmoinesian | USA (Texas) | L. sp. (216619) | |
| Desmoinesian | USA (Missouri) | L. liratum (70135) | |
| Desmoinesian | USA (Pennsylvania) | Endobolus missouriensis (184098) Endolobus missouriensis (184081) | |
| Desmoinesian | USA (Oklahoma) | L. liratum (91530) | |
| Podolskian | Russian Federation | L. devjatovense (166514) | |
| Missourian | USA (Texas) | L. sp. (49988) | |
| Virgilian | USA (Illinois) | L. liratum (50219) | |
| Virgilian | USA (Texas) | L. liratum (217895 217903 220414 225019) L. sp. (217897 217906 217908 217952 217965 217992) L. sp., L. liratum (217893 217905) | |
| Asselian | Russian Federation (Bashkortostan) | L. shakhtauense (204136) | |
| Asselian | USA (Wyoming) | Coloceras sp. (113082) | |
| Sakmarian | Canada (Yukon) | L. sp. (115744 115745) | |
| Sakmarian | Russian Federation | L. korulkense (116786) | |
| Sakmarian | USA (New Mexico) | L. sp. (39154) | |
| Artinskian | USA (Texas) | L. globulare (90007 108766 113418) Nautilus sp. (119870) | |
| Artinskian | Kazakhstan | L. sp. (116788) | |
| Kungurian | China (Hunan) | L. didmyoaurise (124021) | |
| Kungurian | China | Coloceras sinensis (124006) L. sp., Peripetoceras hsuyuchiani, L. sinense, L. orientale, Ephippioceras involutum, Ephippioceras hunanense (66112) | |
| Roadian | Oman | L. sp. (102388) | |
| Roadian | Russian Federation | L. volgense (111240) | |
| Wordian | Italy | Endolobus salomonensis (108566 108673) | |
| Wordian | Mexico (Coahuila) | L. sp. (62902) | |
| Wuchiapingian | Madagascar (Diana) | Nautilus waterloti (119511) Nautilus waterloti, Nautilus molengraafi (81973) | |
| Wuchiapingian | Pakistan | L. bakhense (126993) | |
| Wuchiapingian | Iran | L. sp. (119043) | |
| Wuchiapingian | Azerbaijan | Nautilus excentricus (232366) | |
| Wuchiapingian | Tajikistan | L. sp. (95475) | |
| Changhsingian | Iran | L. sp. (119051 119081) | |
| Changhsingian | China (Hunan) | L. chenxianense (105918) | |
| Changhsingian (interglacial) | China (Guizhou) | L. orientale, L. lichuanense (218367) | |
| Changhsingian | China (Guizhou) | L. sp. (121690) | |
| Changhsingian | China (Zhejiang) | L. meishanense (121648 121649) | |
| Changhsingian | Italy | L. gardenense (95453 95454 95458) | |
| Changhsingian | Italy (Trentino-Alto Adige) | L. sp. (81526 81527) |