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Rhynchotrematinae
Taxonomy
Rhynchotrematinae was named by Schuchert (1913).
It was assigned to Rhynchotrematidae by Bassett and Cocks (1974), Mitchell (1977) and Williams et al. (2002).
It was assigned to Rhynchotrematidae by Bassett and Cocks (1974), Mitchell (1977) and Williams et al. (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1913 | Rhynchotrematinae Schuchert |
| 1974 | Rhynchotrematinae Bassett and Cocks |
| 1977 | Rhynchotrematinae Mitchell |
| 2002 | Rhynchotrematinae Williams et al. p. 1047 |
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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.
Subfm. †Rhynchotrematinae Schuchert 1913
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G. †Hiscobeccus Amsden 1983
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†Hiscobeccus capax Conrad 1842
†Hiscobeccus gigas Wang 1949
†Hiscobeccus kananaskia Wilson 1926
†Hiscobeccus rowleyi Foerste 1920
†Hiscobeccus windermeris Wilson 1926
G. †Otarorhyncha
G. †Pleurocornu
G. †Rhynchotrema Hall 1860
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†Rhynchotrema dentatum Hall 1847
†Rhynchotrema fringilla Billings 1862
†Rhynchotrema increbescens Hall 1847
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Invalid names: Rhynchotrema kentuckiense Fenton and Fenton 1924 [synonym], Rhynchotrema quadriplicata Miller 1875 [synonym]
†Rhynchotrema iowense Wang 1949
†Rhynchotrema nobilis Oraspold 1956
†Rhynchotrema nutrix Billings 1866
†Rhynchotrema oepiki Percival 1991
†Rhynchotrema parva Oraspold 1956
†Rhynchotrema parviseptatum Jin 1989
†Rhynchotrema perlamellosum Whitfield 1882
†Rhynchotrema plicata Cooper and Kindle 1936
†Rhynchotrema plicatum Cooper and Kindle 1936
†Rhynchotrema pulchellum Foerste 1924
†Rhynchotrema seletensis Nikitin et al. 2003
†Rhynchotrema tamarackensis Foerste 1924
G. †Stegerhynchus Foerste 1909
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†Stegerhynchus antiqua Savage 1913
†Stegerhynchus borealis Buch 1834
†Stegerhynchus concinna Savage 1913
†Stegerhynchus diodontus Dalman 1828
†Stegerhynchus estonicus Rubel 1977
†Stegerhynchus peneborealis Twenhofel 1928
†Stegerhynchus praecursor Foerste 1909
†Stegerhynchus pseudobidentatus Rybnikova 1967
†Stegerhynchus pusillum de Sowerby and Murchison 1839
†Stegerhynchus vicina Billings 1866
Invalid names: Stegerhynchops [synonym], Stegorhynchella Rzhonsnitskaya 1959 [synonym], Tungussotoechia [synonym]
G. †Stegocornu
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Hendy et al. 2009 | |||||
Age range: base of the Llanvirn to the top of the Late/Upper Triassic or 468.00000 to 201.40000 Ma
Collections (957 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician | USA (Minnesota) | Rhynchotrema sp. (10754) | |
| Middle Ordovician | USA (Kentucky) | Rhynchotrema sp. (10745 10757) | |
| Middle Ordovician | USA (New York) | Rhynchotrema sp. (333 430) | |
| Llanvirn | China (Shaanxi) | Rhynchotrema sp. (8536) | |
| Gisbornian - Harnagian | Australia (New South Wales) | Rhynchotrema sp. (2703 2706 2708 2724) | |
| Caradoc | Canada (Ontario) | Rhynchotrema increbescens (26274 26276) Rhynchotrema intermedia (26290) Rhynchotrema intermedia, Rhynchotrema increbescens (26275) Rhynchotrema sp. (336 64478 64479 64480 64482 64561 64563) | |
| Caradoc | USA (Virginia) | Rhynchotrema sp. (85671 85672 85691) | |
| Caradoc | USA (Wisconsin) | Rhynchotrema sp. (55472 55474) | |
| Caradoc | Kazakhstan | Rhynchotrema akchokense (80181 80210 80214 80215 80217 80268 80269) Rhynchotrema sp. (80253) | |
| Caradoc | USA (Tennessee) | Rhynchotrema sp. (80005) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Lochkovian | Australia (Victoria) | Stegerhynchus sp. (7196) | |
| Lochkovian - Pragian | Russian Federation | Stegerhynchus sp. (24737) | |
| Gedinnine | Mongolia | Stegerhynchus daphne, Stegerhynchus angaciensis, Stegerhynchus nuculus (79693) | |
| Pragian | Russian Federation (Sverdlovskaya Oblast) | Stegerhynchus pseudolivonicus (81793 81796) | |
| Pragian | Russian Federation (Bashkortostan) | Stegerhynchus bisinuatus (81649) | |
| Pragian - Early/Lower Emsian | Russian Federation (Sverdlovskaya Oblast) | Stegerhynchus pseudolivonicus (81790 81794) | |
| Pragian - Emsian | Tajikistan | Stegerhynchus pseudolivonicus (45831) | |
| Early/Lower Emsian | Tajikistan | Stegerhynchus pseudolivonicus (45791) | |
| Emsian | Russian Federation (Sverdlovskaya Oblast) | Stegerhynchus pseudolivonicus (81795) | |
| Late/Upper Triassic | Indonesia (Timor) | Rhynchonella fringilla (205320) | |