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Myalina (Myalinella)
Taxonomy
Myalina (Myalinella) was named by Newell (1942) [Sepkoski's age data: C Vise Tr l Sepkoski's reference number: 1058].
It was reranked as Myalinella by Vokes (1980), Sepkoski (2002), McRoberts and Newell (2005) and Ros-Franch et al. (2014).
It was assigned to Pterioida by Sepkoski (2002); to Myalinidae by Vokes (1980), McRoberts and Newell (2005) and Ros-Franch et al. (2014); and to Myalina by Ciriacks (1963) and Neves et al. (2014).
It was reranked as Myalinella by Vokes (1980), Sepkoski (2002), McRoberts and Newell (2005) and Ros-Franch et al. (2014).
It was assigned to Pterioida by Sepkoski (2002); to Myalinidae by Vokes (1980), McRoberts and Newell (2005) and Ros-Franch et al. (2014); and to Myalina by Ciriacks (1963) and Neves et al. (2014).
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1942 | Myalina (Myalinella) Newell p. 60 |
| 1963 | Myalina (Myalinella) Ciriacks p. 44 |
| 1980 | Myalinella Vokes p. 32 |
| 2002 | Myalinella Sepkoski |
| 2005 | Myalinella McRoberts and Newell p. 10 |
| 2014 | Myalina (Myalinella) Neves et al. p. 218 |
| 2014 | Myalinella Ros-Franch et al. |
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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.
Subg. †Myalina (Myalinella) Newell 1942
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†Myalina (Myalinella) cuneiformis Gurley 1883
†Myalinella acutirostris Newell and Burma 1941
†Myalinella adunca Chronic 1952
†Myalinella meeki Dunbar 1924
†Myalinella newelli Hautmann et al. 2011
†Myalinella patriarchalis Waagen 1881
†Myalinella postcarbonica Girty 1927
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 1 | 14.4 | - | - | - | - | |
| valve height | 17 | 15.2 | 6.50 | 40.0 | 14.7 | 8.81 |
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| Source: subc = subclass, c = class | |||||
| References: Aberhan et al. 2004, Eaton 1871 | |||||
Collections (86 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Givetian - Frasnian | Libya | Myalinella sp. (35615) | |
| Chesterian - Brigantian | USA (Ohio) | Myalinella sp. (85363) | |
| Morrowan - Desmoinesian | Mexico (Oaxaca) | Myalinella mieeki (43452 44297) | |
| Pennsylvanian | Mexico (Oaxaca) | Myalina meeki (211814) Myalinella meeki (211809) | |
| Virgilian | USA (New Mexico) | Myalinella meeki (146819 156687 156693 156708 156709 156713) | |
| Asselian | Brazil | Myalina sp. (139503) | |
| Asselian | USA (Kansas) | Myalinella meeki (802) | |
| Wolfcampian | USA (Kansas) | Myalinella meeki (803) | |
| Artinskian | USA (Kansas) | Myalina meeki (111219 216777 216779) | |
| Kungurian | USA (Texas) | Myalinella acutirostris (101785) | |
| Roadian | USA (Texas) | Myalinella acutirostris (81693) | |
| Roadian | USA (Arizona) | Myalinella adunca (39999) | |
| Capitanian | USA (Texas) | Myalina sp. (116651) Myalina squamosa (108812) | |
| Wuchiapingian | China (Qinghai) | Myalinella meeki (112860 112861) | |
| Wuchiapingian | Pakistan | Myalina patriarchalis (125903) | |
| Lopingian | USA (Montana) | Myalina meeki (11273 105335) | |
| Changhsingian | Pakistan | Mytilus patriarchalis (89061) | |
| Changhsingian | USA (Texas) | Myalina acutirostris (116734) | |
| Griesbachian | China (Guangxi) | Myalinella newelli (96695 187267 187275 187277 187278 187279 187283) | |
| Griesbachian | USA (Idaho) | Myalina postcarbonica (108750) Myalinella postcarbonica (150726) Myalinella sp. (33253) Mytilus postcarbonica (105399) | |
| Griesbachian | Greenland | Myalina meeki (115896) | |
| Griesbachian | China (Guizhou) | Myalinella newelli (200983 200987 200991 200994 201002 201004 201012) Myalinella newelli, Myalinella postcarbonica (200997 201000) | |
| Griesbachian | USA (Montana) | Myalinella postcarbonica (150714) Myalinella sp. (44499) | |
| Griesbachian | USA (Wyoming) | Myalinella postcarbonica (150701) Mytilus postcarbonica (44498 105382) | |
| Smithian | USA (Utah) | Myalinella sp. (32987 32988 32989 33211 33229 33233 44500 44501 44502 44503 44505 44506 44507 44508 44510) | |
| Smithian - Spathian | USA (Nevada) | Myalina postcarbonica (35168) | |
| Spathian | USA (Idaho) | Myalinella sp. (44567 44568) | |
| Spathian | USA (Utah) | Myalinella sp. (32932 32936 32938 32959 32967 44569 44606 44608) Myalinella sp. A (122198 122200) | |
| Olenekian | USA (California) | Myalina postcarbonica (109758) | |
| Dienerian | USA (Wyoming) | Myalinella postcarbonica (150708) |