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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Rhizodontida
Taxonomy
Rhizodontida was named by Andrews and Westoll (1970).
It was reranked as the infraclass Rhizodontida by Nelson et al. (2016), van der Laan (2019).
It was assigned to Tetrapodomorpha by Brazeau (2005); to Sarcopterygii by Johanson and Ahlberg (1998), Johanson and Ahlberg (2001), Jeffery (2006); to Sarcopterygii by Jeffery (2012); to Tetrapodomorpha by Nelson et al. (2016); and to Sarcopterygii by Davis et al. (2004), Holland et al. (2007), van der Laan (2019).
It was reranked as the infraclass Rhizodontida by Nelson et al. (2016), van der Laan (2019).
It was assigned to Tetrapodomorpha by Brazeau (2005); to Sarcopterygii by Johanson and Ahlberg (1998), Johanson and Ahlberg (2001), Jeffery (2006); to Sarcopterygii by Jeffery (2012); to Tetrapodomorpha by Nelson et al. (2016); and to Sarcopterygii by Davis et al. (2004), Holland et al. (2007), van der Laan (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Rhizodontida Andrews and Westoll |
| 1998 | Rhizodontida Johanson and Ahlberg |
| 2001 | Rhizodontida Johanson and Ahlberg |
| 2004 | Rhizodontida Davis et al. |
| 2005 | Rhizodontida Brazeau |
| 2006 | Rhizodontida Jeffery |
| 2007 | Rhizodontida Holland et al. |
| 2012 | Rhizodontida Jeffery p. 6 |
| 2016 | Rhizodontida Nelson et al. p. 110 |
| 2019 | Rhizodontida van der Laan p. 90 |
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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.
Infracl. †Rhizodontida Andrews and Westoll 1970
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G. †Archichthys Hancock and Atthey 1870
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†Archichthys portlockii Portlock 1843
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Invalid names: Strepsodus sulcidens Hancock and Atthey 1870 [synonym]
G. †Barameda Long 1989
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†Barameda decipiens Woodward 1906
†Barameda mitchelli Holland et al. 2007
Fm. †Rhizodontidae Traquair 1881
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G. †Rhizodus
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†Rhizodus hibberti Agassiz 1843
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Invalid names: Rhizodus anceps Newberry 1888 [synonym], Rhizodus angustus Newberry 1856 [synonym], Rhizodus ferox Morris 1843 [synonym], Rhizodus gracilis M'Coy 1848 [synonym], Rhizodus incurvus Newberry 1856 [synonym]
†Rhizodus reticulatus Newberry and Worthen 1870
†Rhizodus serpukhovensis Smirnova 2022
Invalid names: Characodus Morris and Roberts 1862 [synonym]
G. †Sauripteris Hall 1843
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†Sauripteris anglicus Woodward 1891
†Sauripteris favosus Agassiz 1844
†Sauripteris taylori Hall 1843
G. †Strepsodus Huxley and Etheridge 1865
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†Strepsodus sauroides Binney 1841
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Invalid names: Strepsodus anculonamensis Andrews 1985 [synonym], Strepsodus minor Traquair 1890 [synonym], Strepsodus striatulus Traquair 1882 [synonym]
Invalid names: Strepsodus arenosus Hay 1900 [nomen dubium], Strepsodus brockbanki Davis 1891 [nomen dubium], Strepsodus dawsoni Hay 1900 [nomen dubium]
Or. †Rhizodontiformes Andrews and Westoll 1970
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Fm. †Sauripteridae Davis et al. 2004
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Kiessling 2004 | |||||
Collections (46 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Devonian | USA (Pennsylvania) | Sauripterus taylori (136079) | |
| Givetian | Antarctica | Aztecia mahalae (207088) Rhizodontiformes indet. (207090 207093) | |
| Late/Upper Devonian | Colombia (Boyacá) | Rhizodontiformes indet. (211928) | |
| Late/Upper Frasnian | United Kingdom (Scotland) | Rhizodontidae indet. (176215) | |
| Famennian | Belarus (Homel) | Rhizodontida indet. (232529) | |
| Famennian | Australia (New South Wales) | Gooloogongia loomesi (207370) | |
| Famennian | China (Ningxia) | Hongyu chowi (207050) | |
| Famennian | United Kingdom (Somerset) | Sauripteris anglicus (232123) | |
| Tournaisian | Belarus (Homel) | Rhizodontida indet. (232533) Rhizodus sp., Rhizodontida indet. (232531) | |
| Tournaisian | Australia (Victoria) | Barameda decipiens, Barameda mitchelli (136241 230548) | |
| Tournaisian | Canada (Nova Scotia) | Letognathus hardingi (239387) | |
| Tournaisian | United Kingdom (Scotland) | Rhizodontidae indet. (195788) | |
| Arundian | United Kingdom (Scotland) | Strepsodus sauroides (90682) | |
| Visean | Belarus (Homel) | Rhizodontida indet. (232527) | |
| Asbian | United Kingdom (Scotland) | Rhizodus hibberti (230473) | |
| Asbian | USA (Iowa) | Rhizodontida indet. (68318) | |
| Brigantian | United Kingdom | Rhizodus gracilis, Rhizodus hibberti (132778) | |
| Pendleian | United Kingdom (Scotland) | Rhizodontiformes indet. (134654) | |
| Pendleian - Arnsbergian | Russian Federation (Moscow) | Rhizodus serpukhovensis (235591) | |
| Arnsbergian | USA (West Virginia) | Strepsodus indet. (124949) | |
| Arnsbergian | United Kingdom (England) | Rhizodontidae indet. (8456 8459) | |
| Arnsbergian | USA (Montana) | Strepsodus sp. (116656 227065) | |
| Bashkirian | United Kingdom (England) | Strepsodus sauroides (132670) | |
| Pennsylvanian | United Kingdom | Rhizodus hibberti (132730 132779 132780) Strepsodus sauroides (137307) | |
| Westphalian A | United Kingdom (England) | Rhizodus sp. (124367) | |
| Westphalian A | United Kingdom (Lancashire) | Rhizodus sp. (172765) | |
| Westphalian A | United Kingdom (Flintshire) | Strepsodus sp. (233393 233396) | |
| Moscovian | United Kingdom | Strepsodus sauroides (137306 137309 137311 137320 140013) Strepsodus sauroides, Strepsodus striatulus (137310 137319) Strepsodus striatulus (137304) | |
| Moscovian | Ireland | Strepsodus sauroides (139985) |