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Atrypa
Taxonomy
Atrypa was named by Dalman (1828). Its type is Anomia reticularis.
It was assigned to Spiriferacea by Kirk and Amsden (1952); to Atrypidae by Jin and Chatterton (1997); to Atrypinae by Bassett and Cocks (1974), Jones (1982), Williams et al. (2002); and to Atrypida by Sepkoski (2002).
It was assigned to Spiriferacea by Kirk and Amsden (1952); to Atrypidae by Jin and Chatterton (1997); to Atrypinae by Bassett and Cocks (1974), Jones (1982), Williams et al. (2002); and to Atrypida by Sepkoski (2002).
Species
Species lacking formal opinion data
A. arctostriata, A. aspera, A. aspiformis, A. audax, A. auriculata, A. bachatica, A. barbatus, A. barrandii, A. bentonensis, A. bolastensis, A. bremerensis, A. canaliculata, A. chulutensis, A. ciliipes, A. collega, A. collega, A. comata, A. confusa, A. culminigera, A. culminigera, A. desquamata, A. devoniana, A. douvillii, A. dzwinogrodensis, A. elegans, A. erectirostris, A. evanida, A. exquisita, A. exquisita, A. fimbriata, A. fumosa, A. gabrielsi, A. gedinniana, A. gibbosa, A. gibbosa, A. grandis, A. granulifera, A. grossheimi, A. gruenwaldtii, A. harknessi, A. harrisi, A. inanis, A. incrustata, A. independensis, A. jarasensis, A. krassinensis, A. krekovskensis, A. lapworthi, A. lazutkini, A. lindstromi, A. lonsdalei, A. losvensis, A. lynx, A. mala, A. manitobensis, A. margarita, A. markovskii, A. martynovae, A. muongnhoensis, A. murchisoni, A. nalivkinioidea, A. neczlawiensis, A. newsomensis, A. nieczlaviensis, A. nuntia, A. obscondita, A. orbicularis, A. ordinaria, A. orientalis, A. ostiolata, A. parva, A. penelopeae, A. perfimbriata, A. perflabellata, A. perplana, A. petasa, A. phoca, A. planosulcata, A. posturalica, A. pronis, A. recticularis, A. reticularisid, A. reticularius, A. reticularus, A. reticulata, A. richthofeni, A. rugosa, A. schandiensis, A. schandinensis, A. snakensis, A. snyderensis, A. solovjekhaensis, A. sowerbyi, A. squamifera, A. squamifera, A. sublepida, A. subzonata, A. tajnensis, A. teicherti, A. tennesseensis, A. tenuicostata, A. thomsonensis, A. tirocinia, A. traversensis, A. turensis, A. vanicosta, A. velikajae, A. velikaya, A. verneuiliana, A. vijaica, A. virilicosta, A. vulgariformis, A. zonata
Entered
by J. Sepkoski on 2003-01-23; modified by P. Novack-Gottshall on 2026-05-29
Synonymy list
| Year | Name and author |
|---|---|
| 1828 | Atrypa Dalman |
| 1952 | Atrypa Kirk and Amsden |
| 1974 | Atrypa Bassett and Cocks |
| 1982 | Atrypa Jones p. 1393 |
| 1997 | Atrypa Jin and Chatterton |
| 2002 | Atrypa Sepkoski |
| 2002 | Atrypa Williams et al. p. 1389 |
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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. †Atrypa Dalman 1828
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Subg. †Atrypa (Atrypa) Alekseeva 1962
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†Atrypa (Atrypa) lorana Fuchs 1915
†Atrypa (Atrypa) reticularis Linnaeus 1758
Subg. †Atrypa (Gotatrypa) Struve 1966
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†Atrypa (Gotatrypa) blodgetti Zhang 1989
†Atrypa (Gotatrypa) variabilis Johnson et al. 1976
Subg. †Atrypa (Planatrypa)
†Atrypa boloniensis d'Orbigny 1850
†Atrypa concinna Hall 1843
†Atrypa dormitzeri Barrande 1879
†Atrypa hedei Struve 1966
†Atrypa hedei americensis Sheehan 1982
†Atrypa jukesii M'Coy 1847
†Atrypa missouriensis Miller 1892
†Atrypa nevadana Merriam 1940
†Atrypa nieczlawiensis Kozlowski 1929
†Atrypa oklahomensis Girty 1899
†Atrypa oneidensis Beus 1965
†Atrypa putilla Hall and Clarke 1894
†Atrypa reticularis Linnaeus 1758
†Atrypa reticularis alata Hisinger 1831
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 3 | 5.92 | 4.59 | 7.41 | 6.09 | 1.41 |
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy 2009, Aberhan et al. 2004 | |||||
Collections (1294 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician - Late/Upper Ordovician | Canada (Nunavut) | A. sp. (24229) | |
| Zahorany - Late/Upper Ordovician | Czechia | A. nuntia (3865) | |
| Caradoc | China (XinJiang) | A. sp. (20789) | |
| Edenian | Canada (Nunavut) | A. sp. (24225) | |
| Kralodvorian - Rawtheyan | Czechia | A. obscondita, A. inanis, A. perplana (3878 238013) | |
| Richmondian | Canada (Nunavut) | A. phoca (24187) | |
| Gamachian | USA (Illinois) | A. putilla (173287 173289) | |
| Porkuni | Sweden (Östergötland) | A. canaliculata (186269) | |
| Hirnantian - Rhuddanian | Russian Federation (Siberia) | A. lindstromi (205661) | |
| Juuru | Estonia (Jõgeva) | A. sp. (197468) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Late/Upper Devonian | China (Guangxi) | A. douvillii (4701) A. sp. (3962 3963 3964) | |
| Late/Upper Devonian | USA (Alaska) | A. reticularis (112156) A. sp. (101009 112157) | |
| Middle Frasnian | France | A. squamifera (3398 65764 65766) | |
| Middle Frasnian | China (Guangxi) | A. sp. (13006) | |
| Late/Upper Frasnian | Russian Federation (Novosibirskaya Oblast) | A. posturalica (84381) | |
| Late/Upper Frasnian | USA (Maryland, West Virginia, Virginia) | A. sp. (5927) | |
| Late/Upper Frasnian | Russian Federation (Kemerovskaya Oblast) | A. posturalica, A. planosulcata (84380) | |
| Early/Lower Mississippian | USA (California) | A. sp. (226746) | |
| Carboniferous | USA (Montana) | A. sp. (12771) | |
| Asbian | Australia (New South Wales) | A. jukesii (133349) | |