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Choanata
Taxonomy
Choanata was named by Säve-Söderbergh (1934). It is extant.
It was reranked as the infraclass Choanata by Miles (1977) and Gardiner (1982).
It was assigned to Gnathostomata by Säve-Söderbergh (1934); to Sarcopterygii by Miles (1977) and Gardiner (1982); to Dipnotetrapodomorpha by Nelson (2006); and to Sarcopterygii by Schultze and Reed (2012).
It was reranked as the infraclass Choanata by Miles (1977) and Gardiner (1982).
It was assigned to Gnathostomata by Säve-Söderbergh (1934); to Sarcopterygii by Miles (1977) and Gardiner (1982); to Dipnotetrapodomorpha by Nelson (2006); and to Sarcopterygii by Schultze and Reed (2012).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
1934 | Choanata Säve-Söderbergh p. 8 |
1977 | Choanata Miles |
1982 | Choanata Gardiner p. 228 |
2006 | Choanata Nelson |
2012 | Choanata Schultze and Reed |
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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.
Unr. Choanata Säve-Söderbergh 1934
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Unr. Eutetrapoda Säve-Söderbergh 1934
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Invalid names: Batrachomorpha Säve-Söderbergh 1934 [empty], Batrachomorphoidea Huene 1954 [empty], Theromorphoidea Huene 1954 [empty]
Unr. Stegocephali Cope 1868
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Or. †Adelospondyli Watson 1930
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Fm. †Adelogyrinidae Watson 1930
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Fm. †Lysorophidae Williston 1908
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Or. †Phyllospondyli Watson 1921
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Invalid names: Eugyrinidae Watson 1940 [empty], Miobatrachidae Watson 1940 [empty]
Invalid names: Apoecospondyli Hay 1902 [empty], Embolospondyli Huene 1954 [empty], Ganocephala Owen 1859 [empty], Loxembolomeri Huene 1954 [empty], Neorhachitomi Efremov 1940 [empty]
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 |
Age range
Maximum range based only on fossils: base of the Tournaisian to the top of the Late/Upper Triassic or 358.90000 to 201.30000 Ma
Minimum age of oldest fossil (stem group age): 346.7 Ma
Minimum age of oldest fossil (stem group age): 346.7 Ma
Collections (16 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Tournaisian | United Kingdom (Scotland) | Dolichopareias disjectus (175813) | |
Visean | United Kingdom (Scotland) | Adelogyrinus simorhynchus (175811 176673) Dolichopareias disjectus (175812) Palaeomolgophis scoticus (174063) | |
Pendleian | United Kingdom (Scotland) | Adelospondylus watsoni (174421) | |
Cisuralian | USA (West Virginia) | Stegocephalia indet. (123877) | |
Permian | USA (West Virginia) | Stegocephalia indet. (123878 123883) | |
Kungurian | USA (Texas) | Goniocephalus willistoni (28267) | |
Wordian | Russian Federation | Batrachomorpha indet. (197595) | |
Induan | Russian Federation (Orenburg) | Batrachomorpha indet. (196045) | |
Spathian | Russian Federation (Orenburg) | Batrachomorpha indet. (195825) | |
Spathian | Russian Federation (Bashkortostan) | Batrachomorpha indet. (195806) | |
Anisian | Israel | Stegocephalia sp. (63924) | |
Late/Upper Triassic | Madagascar (Toliara) | Stegocephala indet. (106539) |