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Rhynchotrema
Taxonomy
Rhynchotrema was named by Hall (1860). Its type is Atrypa increbescens.
It was assigned to Rhynchonellidae by Oraspold (1956); to Rhynchotrematidae by Macomber (1970), Rubel and Rozman (1977); to Rhynchotrematinae by Mitchell (1977), Williams et al. (2002); and to Rhynchonellida by Sepkoski (2002).
It was assigned to Rhynchonellidae by Oraspold (1956); to Rhynchotrematidae by Macomber (1970), Rubel and Rozman (1977); to Rhynchotrematinae by Mitchell (1977), Williams et al. (2002); and to Rhynchonellida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1860 | Rhynchotrema Hall |
| 1956 | Rhynchotrema Oraspold |
| 1970 | Rhynchotrema Macomber p. 443 |
| 1977 | Rhynchotrema Mitchell |
| 1977 | Rhynchotrema Rubel and Rozman |
| 2002 | Rhynchotrema Sepkoski |
| 2002 | Rhynchotrema 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.
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
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Hendy 2009, 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 (387 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician | USA (Minnesota) | R. sp. (10754) | |
| Middle Ordovician | USA (New York) | R. sp. (333 430) | |
| Middle Ordovician | USA (Kentucky) | R. sp. (10745 10757) | |
| Llanvirn | China (Shaanxi) | R. sp. (8536) | |
| Gisbornian - Harnagian | Australia (New South Wales) | R. sp. (2703 2706 2708 2724) | |
| Caradoc | Canada (Northwest Territories) | R. sp. (25319 25320 25321 25322 25324) | |
| Caradoc | USA (Virginia) | R. sp. (85671 85672 85691) | |
| Caradoc | USA (Tennessee) | R. sp. (80005) | |
| Caradoc | USA (Georgia) | R. increbescens (32559 32560 32561 32562 32563 32570 32571 32660) R. minnesotensis, R. increbescens (32456 32457 32458) R. sp. (32578 32579 32580 32581 32583 32585 32586) R. sp., R. increbescens (32614 32615 32617 32618 32619) | |
| Caradoc | Kazakhstan | R. akchokense (80181 80210 80214 80215 80217 80268 80269) R. sp. (80253) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Rhuddanian | United Kingdom (Wales) | R. sp. (8409) | |
| Rhuddanian | Canada (Quebec) | Camarotoechia fringilla (113333) | |
| Alexandrian | Canada (Québec) | Ancillotoechia fringilla (24406 24407) | |
| Llandovery | United Kingdom (Wales) | R. sp. (3207) | |
| Raikkula | Estonia (Järva) | R. sp. (175020) | |
| Raikkula | Estonia (Rapla) | R. sp. (175045) | |
| Aeronian | USA (New York) | R. sp. (75222) | |
| Aeronian | Canada (Quebec) | R. parviseptatum (158780) | |
| Telychian | Canada (Quebec) | Camarotoechia fringilla (184837) | |
| Late/Upper Triassic | Indonesia (Timor) | Rhynchonella fringilla (205320) | |