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Atomodesma
Taxonomy
Atomodesma was named by Beyrich (1865) [Sepkoski's age data: P Asse Tr Indu-l]. It is the type genus of Atomodesminae.
It was assigned to Atomodesminae by Waterhouse (1976); to Myalinidae by Vokes (1980); to Pterioida by Sepkoski (2002); and to Atomodesmatinae by Biakov (2008), Bouchet et al. (2010) and Biakov and Kutygin (2020).
It was assigned to Atomodesminae by Waterhouse (1976); to Myalinidae by Vokes (1980); to Pterioida by Sepkoski (2002); and to Atomodesmatinae by Biakov (2008), Bouchet et al. (2010) and Biakov and Kutygin (2020).
Species
A. acuta, A. astafievae, A. bisulcatum, A. elongata, A. elongatum, A. exaratum, A. guskovi, A. hautmanni, A. indicum, A. lata, A. marwicki, A. minima, A. multifurcatum, A. mytiloides, A. nikolajewi, A. obliquatum, A. semiplicata, A. tenuistriata, A. timorense, A. timorensis, A. tumenlingensis, A. undulata, A. uniplicatum, A. variabile
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Atomodesma Beyrich p. 71 |
| 1976 | Atomodesma Waterhouse |
| 1980 | Atomodesma Vokes p. 31 |
| 2002 | Atomodesma Sepkoski |
| 2008 | Atomodesma Biakov p. 240 |
| 2010 | Atomodesma Bouchet et al. |
| 2020 | Atomodesma Biakov and Kutygin p. 460 |
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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. †Atomodesma Beyrich 1865
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†Atomodesma acuta Lutkevitch and Lobanova 1960
†Atomodesma astafievae Waterhouse and Chen 2006
†Atomodesma bisulcatum Dickins 1961
†Atomodesma elongata Wanner 1922
†Atomodesma elongatum Wanner 1922
†Atomodesma exaratum Beyrich 1865
†Atomodesma guskovi Astafieva 1993
†Atomodesma hautmanni Foster et al. 2019
†Atomodesma indicum Waagen 1881
†Atomodesma lata Wanner 1922
†Atomodesma marwicki Waterhouse 1958
†Atomodesma minima Muromtseva 1984
†Atomodesma multifurcatum Wanner 1922
†Atomodesma mytiloides Beyrich 1865
†Atomodesma nikolajewi Voronetz 1953
†Atomodesma obliquatum Waterhouse 1963
†Atomodesma semiplicata Reed 1944
†Atomodesma tenuistriata Muromtseva 1984
†Atomodesma timorense Wanner 1922
†Atomodesma timorensis Wanner 1922
†Atomodesma tumenlingensis Liang 1980
†Atomodesma undulata Rothpletz 1892
†Atomodesma uniplicatum Waterhouse 1979
†Atomodesma variabile Wanner 1922
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 2 | 47.9 | 46.0 | 49.9 | 47.9 | 2.79 | |
| shell height | 2 | 45.6 | 26.0 | 80.0 | 53.0 | 38.2 | |
| valve height | 32 | 28.8 | 11.3 | 100.0 | 31.2 | 16.0 |
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| Source: subc = subclass, c = class | |||||
| References: Aberhan et al. 2004, Eaton 1871 | |||||
Age range: base of the Asselian to the top of the Griesbachian or 298.90000 to 250.50000 Ma
Collections (82 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | Afghanistan | A. mytiloides (88265) | |
| Asselian | Canada (Yukon) | A. sp. (101728 101732) | |
| Permian | Indonesia (West-Timor) | A. multifurcata, A. timorensis (39611) | |
| Permian | USA (Alaska) | A. sp. (120492) | |
| Sakmarian | Australia (Western Australia) | A. mytiloides (84484 85843 85925 85982) A. timorense (84349 133339) | |
| Artinskian | Indonesia | A. sp., A. variabilis, A. multifurcata (118268) | |
| Artinskian | Russian Federation | A. pogorevitschi (114167) | |
| Artinskian | Australia (Western Australia) | A. mytiloides (84489 85854) A. sp. (120491) | |
| Artinskian | New Zealand (Southland) | A. sp. A (41775) | |
| Artinskian | Australia (Tasmania) | A. sp. (120244) | |
| Artinskian | New Zealand | A. marwicki (120425) | |
| Artinskian - Kungurian | Indonesia | A. mytiloides (39614) | |
| Artinskian - Guadalupian | Indonesia (Timor) | A. timorensis (205610) | |
| Kungurian | Russian Federation | A. minima (81379) A. sp. (225521) A. tenuistriata (82267) Kolymia acuta (101686) | |
| Kungurian | New Zealand (Southland) | A. obliquatum (52838) | |
| Roadian | Australia (Western Australia) | A. exarata (84478) A. exaratum (84342) | |
| Roadian | New Zealand (Southland) | A. sp. (41766) | |
| Wordian | Australia (Queensland) | A. bisulcata (103925) | |
| Wordian | Russian Federation | A. variabilis (109941) Maitaia acuta (101663) | |
| Wordian - Capitanian | China (Heilongjiang) | A. tumenlingensis (111166) | |
| Wordian - Changhsingian | Russian Federation | A. sp. (114132) | |
| Capitanian | Russian Federation | A. exaratum (198796) | |
| Capitanian | Russian Federation (Sakha) | A. variabilis (82850) | |
| Wuchiapingian | New Zealand | A. sp. (213211) | |
| Wuchiapingian | Pakistan | A. indicum (90253) A. semiplicata (126264) | |
| Wuchiapingian | Australia (Queensland) | A. sp. (107356) A. variabile (98099 98101 120333 120335 120379 120536 120539 120661 120667) | |
| Wuchiapingian | Russian Federation | A. variabile (214598) A. variabilis (113982) | |
| Wuchiapingian | Indonesia | A. exarata (132792) A. exarata, A. mytiloides (132775) A. undulata (132787) | |
| Lopingian | India | Liebea hausmanni (230337) | |
| Changhsingian | Nepal | A. elongatum (62450 120386) A. exarata (43187) A. exaratum (62447) A. exaratum, A. elongatum, A. multifurcatum (62449) A. semiplicata (43244) A. sp. (43178 43232) A. variabile (43283) | |
| Changhsingian | New Zealand (Southland) | A. sp. (73851) | |
| Changhsingian | New Zealand | A. sp. B (120441) | |
| Changhsingian | Russian Federation | A. variabilis (113991) | |
| Early/Lower Triassic | Indonesia (Timor) | A. elongata, A. lata (205612) A. exarata (205611) | |
| Griesbachian | China (Guangxi) | A. sp. (187267 187277) | |
| Griesbachian | Svalbard and Jan Mayen | A. errabuta (212074) | |
| Griesbachian | Russian Federation | A. sp. (214748) | |
| Griesbachian | China (Guizhou) | A. hautmanni (200985 200987 200988 200991 200994 200997 201000 201007 201012) |