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Myoconcha
Taxonomy
Myoconcha was named by Sowerby (1824) [Sepkoski's age data: Tr Olen-u K Maes-u Sepkoski's reference number: 545,674]. It is not extant. Its type is Myoconcha crassa.
It was assigned to Mytilidae by Stanton (1895); to Myoconchinae by Vokes (1980); to Veneroida by Sepkoski (2002); to Myoconchidae by Scholz et al. (2008), Bouchet et al. (2010) and Ros-Franch et al. (2014); and to Kalenteridae by Kiel (2018).
It was assigned to Mytilidae by Stanton (1895); to Myoconchinae by Vokes (1980); to Veneroida by Sepkoski (2002); to Myoconchidae by Scholz et al. (2008), Bouchet et al. (2010) and Ros-Franch et al. (2014); and to Kalenteridae by Kiel (2018).
Species
M. (Modiolina), M. acquatensis, M. actaeon, M. americana, M. amnipacis, M. appeli, M. aspasia, M. auriculata, M. borealis, M. broilii, M. brunneri, M. costulata, M. crassa (type species), M. curvata, M. decorata, M. delawarensis, M. epigonus, M. giebeli (syn. Mytilus gastrochaena), M. gregaria, M. huancangensis, M. joanniswanneri, M. laevis, M. loeschmanni, M. maximiliani, M. muelleri, M. nana, M. neuquena, M. parvula, M. pavida, M. plana, M. psilonoti, M. ptychitum, M. qingyanensis, M. rathieri, M. recta, M. retroflexa, M. roemeri, M. rugulosa, M. scabra, M. taegeri, M. timorensis, M. weiri, M. wohrmanni
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1824 | Myoconcha Sowerby |
| 1895 | Myoconcha Stanton p. 48 |
| 1939 | Labayophorus Licharew |
| 1980 | Myoconcha Vokes p. 117 |
| 2002 | Myoconcha Sepkoski |
| 2008 | Myoconcha Scholz et al. |
| 2010 | Myoconcha Bouchet et al. |
| 2014 | Myoconcha Ros-Franch et al. |
| 2018 | Myoconcha Kiel p. 224 |
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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. †Myoconcha Sowerby 1824
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Subg. †Myoconcha (Modiolina)
†Myoconcha acquatensis Parona 1889
†Myoconcha actaeon d'Orbigny 1850
†Myoconcha americana Stanton 1895
†Myoconcha amnipacis McLearn 1941
†Myoconcha appeli Kittl 1903
†Myoconcha aspasia d'Orbigny 1850
†Myoconcha auriculata Broili 1904
†Myoconcha borealis Lundgren 1895
†Myoconcha broilii Waagen 1907
†Myoconcha brunneri von Hauer 1857
†Myoconcha costulata Girty 1908
†Myoconcha crassa Sowerby 1824
†Myoconcha curvata Broili 1904
†Myoconcha decorata Münster 1837
†Myoconcha delawarensis Girty 1908
†Myoconcha epigonus Frech 1912
†Myoconcha gregaria Bittner 1901
†Myoconcha huancangensis Chen 1976
†Myoconcha joanniswanneri Krumbeck 1924
†Myoconcha laevis Philippi 1898
†Myoconcha loeschmanni Frech 1912
†Myoconcha maximiliani Klipstein 1843
†Myoconcha muelleri Giebel 1856
†Myoconcha nana Smith 1927
†Myoconcha neuquena Leanza 1940
†Myoconcha parvula Wöhrmann and Koken 1892
†Myoconcha pavida Bittner 1901
†Myoconcha plana Kiparisova 1938
†Myoconcha psilonoti Quenstedt 1856
†Myoconcha ptychitum Kittl 1903
†Myoconcha qingyanensis Chen 1976
†Myoconcha rathieri d'Orbigny 1850
†Myoconcha recta Broili 1904
†Myoconcha retroflexa Broili 1904
†Myoconcha roemeri Eck 1872
†Myoconcha rugulosa Kittl 1903
†Myoconcha scabra Terquem and Piette 1865
†Myoconcha taegeri Frech 1912
†Myoconcha timorensis Wanner 1922
†Myoconcha weiri Stefanini 1939
†Myoconcha wohrmanni Waagen 1907
Invalid names: Heterostrea Jaworski 1913 [synonym], Labayophorus Licharew 1939 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 17.4 | 4.30 | 45.0 | 27.1 | 20.4 | |
| valve height | 4 | 9.82 | 5.80 | 22.0 | 8.65 | 7.36 |
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| Source: c = class | |||||
| Reference: Aberhan et al. 2004 | |||||
Age range: base of the Kungurian to the top of the Early/Lower Campanian or 279.30000 to 70.60000 Ma
Collections (225 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian - Guadalupian | Indonesia (Timor) | M. timorensis (205605) | |
| Kungurian | USA (Arizona) | M. sp. (52898 120746) | |
| Roadian | USA (Texas) | M. costulata (108822) | |
| Wordian | Japan | M. sp. (132816) | |
| Capitanian | USA (Texas) | M. costulata (108812) | |
| Induan | China (Yunnan) | M. roemeri (98546) | |
| Early/Lower Triassic | Hungary (Bakony) | M. epigonus (203240) | |
| Griesbachian | Russian Federation | M. sp. (90207) | |
| Griesbachian | China (Yunnan) | M. qingyunensis (112118) | |
| Triassic | Japan (Tokyo) | M. planata (39668) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Hauterivian | Switzerland | M. sabaudiana (2198) | |
| Barremian - Aptian | Chile (Coquimbo) | M. transatlantica (222461) | |
| Aptian | United Kingdom (England) | M. delta (1856) | |
| Aptian | Switzerland | M. sabaudiana (2189) | |
| Aptian | Japan (Iwate) | M. modesta (40554) | |
| Aptian | France | M. sabaudiana (2186) | |
| Albian | Switzerland | M. gaultina (2167) | |
| Late/Upper Coniacian - Early/Lower Campanian | Italy (Veneto) | M. dilatata (142756) | |
| Campanian | Hungary | M. dilatata (74809) | |
| Maastrichtian | Denmark | M. sp. (1386 35039) | |