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Baylea
Taxonomy
Baylea was named by de Koninck (1881) [Sepkoski's age data: D Eife P Djhu Sepkoski's reference number: 109,797,1130]. It is not extant.
It was reranked as Pleurotomaria (Baylea) by Reed (1944).
It was assigned to Pleurotomaria by Reed (1944); to Selenimorpha by Heidelberger (2001); to Archaeogastropoda by Sepkoski (2002); to Phymatopleuridae by Mazaev (2015), Mazaev (2016); to Omospirinae by Knight et al. (1960), Nützel and Ketwetsuriya (2016); to Eotomariinae by Cook et al. (2003), Karapunar and Nützel (2022); and to Glabrocingulides by Wagner (2023).
It was reranked as Pleurotomaria (Baylea) by Reed (1944).
It was assigned to Pleurotomaria by Reed (1944); to Selenimorpha by Heidelberger (2001); to Archaeogastropoda by Sepkoski (2002); to Phymatopleuridae by Mazaev (2015), Mazaev (2016); to Omospirinae by Knight et al. (1960), Nützel and Ketwetsuriya (2016); to Eotomariinae by Cook et al. (2003), Karapunar and Nützel (2022); and to Glabrocingulides by Wagner (2023).
Species
B. arenaria, B. burtasorum, B. chimbulatiensis, B. coheni, B. concentrica, B. cordulae, B. dejactinensis, B. delawarensis, B. denjatinensis, B. derongensis, B. durga, B. foraminata, B. giffordi, B. grandicarinata, B. gurleyi, B. heterocarinata, B. huecoensis, B. inclinata (syn. B. ornatiformis), B. knighti, B. kuesi, B. kyschertianaeformis, B. loatienensis, B. longispira, B. minuta, B. parva, B. perthensis, B. praeburtasorum, B. queerlingensis, B. rigida, B. salomonensis, B. shilovskyi, B. sinuatus, B. spirolirata, B. subconstricta, B. supercrenata, B. tabulata, B. teicherti, B. tenera, B. trifibra, B. turbinata, B. umbilicata, B. verneuili, B. vjatkensis, B. weiningensis, B. yabeshigerui, B. yvanii
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1881 | Baylea de Koninck |
| 1944 | Pleurotomaria (Baylea) Reed p. 327 |
| 1960 | Baylea Knight et al. p. 202 |
| 2001 | Baylea Heidelberger p. 61 |
| 2002 | Baylea Sepkoski |
| 2003 | Baylea Cook et al. |
| 2015 | Baylea Mazaev p. 902 |
| 2016 | Baylea Mazaev p. 596 |
| 2016 | Baylea Nützel and Ketwetsuriya p. 491 |
| 2022 | Baylea Karapunar and Nützel p. 10 |
| 2023 | Baylea Wagner p. G504 |
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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. †Baylea de Koninck 1881
show all | hide all
†Baylea arenaria Girty 1909
†Baylea burtasorum Golovkinski 1868
†Baylea chimbulatiensis Mazaev 2015
†Baylea coheni Yochelson 1962
†Baylea concentrica Phillips 1836
†Baylea cordulae Heidelberger et al. 2009
†Baylea dejactinensis Jakowlew 1899
†Baylea delawarensis Girty 1909
†Baylea denjatinensis Jakowlew 1899
†Baylea derongensis Pan and Yu 1993
†Baylea durga Waagen 1880
†Baylea foraminata Mazaev 2015
†Baylea giffordi Worthen 1884
†Baylea grandicarinata Jakowlew 1899
†Baylea gurleyi Meek 1871
†Baylea heterocarinata Pan 1985
†Baylea huecoensis Batten 1989
†Baylea knighti Weller 1929
†Baylea kuesi Batten 1995
†Baylea kyschertianaeformis Jakowlew 1899
†Baylea loatienensis Mansuy 1914
†Baylea longispira Mazaev 2019
†Baylea minuta Weller 1916
†Baylea parva Thomas 1940
†Baylea perthensis Dickins 1963
†Baylea praeburtasorum Mazaev 2016
†Baylea queerlingensis Wang 1982
†Baylea rigida Mazaev 2015
†Baylea salomonensis Gemmellaro 1889
†Baylea shilovskyi Mazaev 2016
†Baylea sinuatus Weller 1916
†Baylea spirolirata Batten 1966
†Baylea subconstricta Meek and Worthen 1860
†Baylea supercrenata Weller 1929
†Baylea tabulata Phillips 1836
†Baylea teicherti Cook et al. 2003
†Baylea tenera Karapunar and Nützel 2022
†Baylea trifibra Rollins 1975
†Baylea turbinata Xi 1980
†Baylea umbilicata Nützel and Ketwetsuriya 2016
†Baylea verneuili Heidelberger 2001
†Baylea vjatkensis Mazaev 2015
†Baylea weiningensis Xi 1994
†Baylea yabeshigerui Kobayashi 1931
†Baylea yvanii Léveillé 1835
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 1 | 28.6 | - | - | - | - | |
| shell height | 81 | 8.16 | 2.60 | 33.0 | 7.90 | 5.37 | |
| shell diameter | 81 | 6.39 | 3.70 | 10.0 | 6.50 | 2.52 |
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| Source: f = family, o = order | |||||
| References: Hendy 2009, Bambach et al. 2007 | |||||
Age range: base of the Givetian to the top of the Changhsingian or 387.95000 to 251.90200 Ma
Collections (114 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian | Germany (Rheinland-Pfalz) | B. verneuili (38358) | |
| Frasnian | Australia (Western Australia) | B. teicherti (172535) | |
| Late/Upper Frasnian | Australia (Western Australia) | B. teicherti (38996 39006 39007) | |
| Kinderhookian | USA (Iowa) | B. trifibra (49824) | |
| Early/Lower Mississippian | USA (California) | B. sp. (226426) | |
| Kinderhookian - Osagean | Mexico (Sonora) | B. sp., B. yvanii (5616) | |
| Ivorian - Chadian | Ireland | Pleurotomaria concentricum (76501) | |
| Osagean | USA (Arizona) | B. coheni (64667) | |
| Arundian | Poland (Swietokrzyskie) | Scalitina tabulata (60115 60116) | |
| Visean | Japan | B. yvanii (59832) | |
| Meramecian | USA (Nevada) | B. sp. indet (62674) | |
| Asbian | Isle of Man | Scalites tabulatus (147189) | |
| Brigantian | Ireland (Cork) | Pleurotomaria yvanni (184504) | |
| Brigantian | United Kingdom (England) | B. spirolirata, Scalitina tabulata, B. yvanii (57131) Scalites tabulatus (154728) Scalites tabulatus, B. concentrica (67670) | |
| Brigantian | Morocco | B. cordulae (61439) B. cordulae, B. concentrica (157752) | |
| Chesterian | USA (Illinois) | Ptychomphalus sinuatus, Mourlonia minuta (68188) | |
| Pendleian | United Kingdom (Scotland) | Yvania parva (155880) | |
| Morrowan | USA (Texas) | B. kuesi, B. knighti (79966) | |
| Morrowan | USA (Arizona) | B. sp. (42700 42707 42800) | |
| Morrowan | USA (Wyoming) | B. sp. (5713) | |
| Morrowan | USA (Ohio) | Pleurotomaria ornatiformis (71998 184122) | |
| Atokan | USA (Wyoming) | B. sp. (5725) | |
| Desmoinesian | USA (Ohio) | B. giffordi (64933) | |
| Desmoinesian | USA (Texas) | B. giffordi, B. inclinata (92870) Yvania subconstricta (11100) | |
| Desmoinesian | USA (Oklahoma) | B. giffordi, B. tenera (91530) | |
| Desmoinesian | USA (Illinois) | Pleurotomaria subconstricta (155332) | |
| Desmoinesian | USA (New Mexico) | B. inclinata, B. kuesi (46536) | |
| Kasimovian | USA (Texas) | B. gurleyi (170908) | |
| Gzhelian | USA (Texas) | B. huecoensis (43456) | |
| Virgilian | USA (Texas) | B. gurleyi (217905 225054) | |
| Virgilian | USA (New Mexico) | B. sp. (156695) B. supercrenata (146819) | |
| Asselian | USA (Texas) | B. huecoensis (43482) | |
| Asselian | Russian Federation (Bashkortostan) | B. gurleyi (202159) B. longispira (220899) B. longispira, B. gurleyi (220885) | |
| Sakmarian | Australia (Western Australia) | B. perthensis (85848 101207 107346 107350) | |
| Sakmarian | USA (Texas) | B. huecoensis (101780) | |
| Artinskian | USA (New Mexico) | B. huecoensis (101770) | |
| Kungurian | Russian Federation | Mourlonia yabeshigerui (102216) | |
| Kungurian | Mexico (Sonora) | B. sp. 1, B. sp. 2 (102390) | |
| Kungurian | USA (Texas) | B. huecoensis (43491) | |
| Late/Upper Kazanian | Russian Federation | B. sp. (197540) | |
| Roadian | USA (Arizona) | B. sp. (80923) | |
| Roadian | Russian Federation (Tatarstan) | B. burtasorum (174710 174712 174713) B. chimbulatiensis, B. burtasorum (174707 174709) B. vjatkensis, B. burtasorum (174704 174705 174706 174711) | |
| Roadian | Russian Federation (Kirov) | B. burtasorum (174703) B. chimbulatiensis (174701) B. chimbulatiensis, B. foraminata, B. rigida (170189) B. chimbulatiensis, B. foraminata, B. rigida, B. vjatkensis (126334) B. chimbulatiensis, B. rigida (126333) B. chimbulatiensis, B. rigida, B. vjatkensis (170190) B. chimbulatiensis, B. vjatkensis, B. burtasorum (126335) | |
| Roadian | USA (Texas) | B. supercrenata (43512) B. vjatkensis (81693) Pleurotomaria delawarensis, Pleurotomaria arenaria (108822) | |
| Roadian | USA (Wyoming) | B. delawarensis (61938) | |
| Roadian | Russian Federation | B. vjatkensis (198771) Mourlonia yabeshigerui (102200) | |
| Roadian | Russian Federation (Samara) | B. vjatkensis, B. shilovskyi, B. praeburtasorum (170192) | |
| Roadian - Wordian | China (Anhui) | B. queerlingensis (102111) | |
| Wordian | Italy | Pleurotomaria salomonensis (108673) | |
| Wordian | Russian Federation | B. taylorianus, B. thomsonianus (197764 197765) Mourlonia yabeshigerui (102217 221245 221249) | |
| Wordian | Thailand | B. umbilicata (181783) Worthenia sp. (167692) | |
| Capitanian | China (Nei Mongol) | B. yabeshigerui (111758 111762) | |
| Capitanian | USA (New Mexico) | B. huecoensis (101801) | |
| Capitanian | Russian Federation | Mourlonia yabeshigerui (183118 221256 221257) | |
| Wuchiapingian | China (Guizhou) | B. turbinata (119966) | |
| Wuchiapingian | Pakistan | Pleurotomaria durga (125928 126008 126263 126265 126699 126895 126940) | |
| Wuchiapingian - Changhsingian | China (Sichuan) | B. derongensis (110088) | |
| Wuchiapingian - Changhsingian | Pakistan | Pleurotomaria durga (126982 127017) | |
| Changhsingian | China (Sichuan) | B. heterocarinata (116227) | |
| Changhsingian | Pakistan | Pleurotomaria durga (81504 119678 126882 126898 126933 126989) |