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Drepanoistodontidae
Taxonomy
Drepanoistodontinae was named by Fahraeus and Nowlan (1978).
It was reranked as the family Drepanoistodontidae by Clark et al. (1981), Pyle and Barnes (2002) and Löfgren (2006).
It was assigned to Distacodontacea by Clark et al. (1981); to Distacodontidae by Stouge (1984); and to Protopanderodontida by Pyle and Barnes (2002) and Löfgren (2006).
It was reranked as the family Drepanoistodontidae by Clark et al. (1981), Pyle and Barnes (2002) and Löfgren (2006).
It was assigned to Distacodontacea by Clark et al. (1981); to Distacodontidae by Stouge (1984); and to Protopanderodontida by Pyle and Barnes (2002) and Löfgren (2006).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Drepanoistodontinae Fahraeus and Nowlan p. 13 |
| 1981 | Drepanoistodontidae Clark et al. p. W103 |
| 1984 | Drepanoistodontinae Stouge p. 52 |
| 2002 | Drepanoistodontidae Pyle and Barnes p. 61 |
| 2006 | Drepanoistodontidae Löfgren p. 13 |
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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.
Fm. †Drepanoistodontidae Fahraeus and Nowlan 1978
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G. †Drepanoistodus Lindstrom 1971
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†Drepanoistodus amoenus Lindström 1955
†Drepanoistodus basiovalis Sregeeva 1963
†Drepanoistodus bellburnensis Stouge 1984
†Drepanoistodus costatus Abaimova 1971
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Invalid names: Drepanoistodus cornutiformis Lee 1976 [synonym], Drepanoistodus flexilis An 1981 [synonym], Drepanoistodus ordosensis Wang and Luo 1984 [synonym]
†Drepanoistodus deltifer Lindström 1955
†Drepanoistodus forceps Lindström 1955
†Drepanoistodus latus Pyle and Barnes 2003
†Drepanoistodus pitjanti Cooper 1981
†Drepanoistodus suberectus Branson and Mehl 1933
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Invalid names: Distacodus incurvatus Hinde 1879 [synonym], Oistodus giganteus Stauffer 1936 [synonym]
†Drepanoistodus tablepointensis Stouge 1984
†Drepanoistodus venustus Stauffer 1935
G. †Paltodus Pander 1856
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†Paltodus bicostatus Pander 1856
†Paltodus canaliculatus Pander 1856
†Paltodus dyscritus Rexroad 1967
†Paltodus obtusus Pander 1856
†Paltodus rotundatus Pander 1856
†Paltodus subaequalis Pander 1856
†Paltodus truncatus Pander 1856
†Paltodus unicostatus Branson and Mehl 1933
Invalid names: Drepanoistodus deltifer firmus Viira 1970 [synonym]
G. †Paroistodus Lindström 1971
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†Paroistodus horridus secundus Albanesi 1998
†Paroistodus nowlani Zhen et al. 1999
†Paroistodus originalis Sergeeva 1963
†Paroistodus proteus Lindström 1955
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan 1992 | |||||
Age range: base of the Tremadoc to the top of the Carboniferous or 486.50000 to 298.90000 Ma
Collections (808 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Cambrian | Norway (Naersnes) | Drepanoistodus sp. (156964) | |
| Cambrian | China (Jilin Provence) | Drepanodus suberectus (156926 156927) | |
| Trempealeauan | Canada (Nunuvat) | Drepanoistodus pervetus (203793 203794) | |
| Trempealeauan | Canada (Alberta) | Drepanoistodus pervetus (203784 203785) | |
| Skullrockian | USA (New York) | Laurentoscandodus triangularis (87524) | |
| Ibexian | USA (New York) | Drepanoistodus concavus (64618) | |
| Ibexian | USA (Nevada) | Drepanoistodus deltifer (91172) | |
| Tremadoc | USA (Virginia) | Drepanoistodus pervetus (203860) Oistodus triangularis (203861 203862 203863) | |
| Tremadoc | China (Hubei) | Drepanoistodus sp. (4733 4735 4738) Drepanoistodus sp., Paltodus sp. (4737) Drepanoistodus sp., Paltodus sp., Paroistodus sp. (4727 4730 4731 4732) Paltodus deltifer (154776) Paltodus sp., Paroistodus sp. (4729) Paroistodus sp. (4728) | |
| Tremadoc | Argentina | Paroistodus sp. (8704 8881) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Aeronian | Canada (Québec) | Drepanodus suberectus (25030) | |
| Telychian | United Kingdom (England) | Paltodus dyscritus (184764) | |
| Telychian - Sheinwoodian | USA (Indiana) | Paltodus costulatus, Paltodus debolti, Paltodus migratus, Paltodus dyscritus (180883 180901 180917) Paltodus n. sp. a, Paltodus n. sp. b, Paltodus costulatus, Paltodus migratus, Paltodus dyscritus (180882) | |
| Ludlow | Australia (Victoria) | Paltodus acostatus, Paltodus unicostatus (25641) | |
| Ludfordian | USA (Missouri) | Paltodus multicostatus, Paltodus dyscritus (180195) | |
| Lochkovian | Morocco | Paltodus sp., Paltodus unicostatus (13936) Paltodus unicostatus (13935 13938) | |
| Lochkovian | USA (Nevada) | Paltodus costulatus (180846) | |
| Lochkovian | Australia (New South Wales) | Paltodus sp. (24900) | |
| Late/Upper Devonian - Carboniferous | Greece (Chios) | Paltodus sp. (222755) Paltodus sp., Paltodus rotundatus (222756) | |
| Late/Upper Devonian - Middle Triassic | Greece (Chios) | Paltodus sp. (222759) | |