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Tetrarhynchia (Tetrarhynchia)
Taxonomy
Tetrarhynchia (Tetrarhynchia) was named by Williams et al. (2002). Its type is Terebratula tetraedra.
It was assigned to Tetrarhynchia by Williams et al. (2002).
It was assigned to Tetrarhynchia by Williams et al. (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Tetrarhynchia (Tetrarhynchia) Williams et al. p. 1345 |
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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.
Subg. †Tetrarhynchia (Tetrarhynchia) Williams et al. 2002
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†Tetrarhynchia (Tetrarhynchia) tetrahedra Sowerby 1812
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Invalid names: Terebratula media Sowerby 1812 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 12.1 | 6.60 | 21.5 | 12.1 | 5.40 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Davoei to the top of the Early/Lower Toarcian or 192.90000 to 182.90000 Ma
Collections (68 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Jurassic | United Kingdom (Scotland) | Tetrarhynchia tetrahedra (28849) | |
| Early/Lower Jurassic | United Kingdom (England) | Tetrarhynchia tetrahedra (28848) | |
| Davoei | Spain (Aragon) | Tetrarhynchia tetrahedra (146728 146730 146731) | |
| Early/Lower Pliensbachian | Serbia | Tetrarhynchia tetraedra (73325) | |
| Late/Upper Pliensbachian | Slovakia | Tetrarhynchia tetraedra (158496) | |
| Late/Upper Pliensbachian | United Kingdom (England) | Tetrarhynchia tetrahedra (28839 28842 28844 28845 28847) | |
| Late/Upper Pliensbachian | Chile | Tetrarhynchia tetrahedra (33655 33656 33657 33658 33660 33662 33665 33666 33883 33886 33887 33889 33890 35433 35436) | |
| Late/Upper Pliensbachian | Spain | Tetrarhynchia tetrahedra (160466) | |
| Margaritatus | France | Tetrarhynchia tetrahedra (160767 160890) | |
| Margaritatus | Spain | Tetrarhynchia tetrahedra (160339 160340 160891 160892) | |
| Margaritatus | United Kingdom (Gloucestershire) | Tetrarhynchia tetrahedra (159206) | |
| Pliensbachian | United Kingdom | Tetrarhynchia tetraedra (213641 213648 213649 213651 213654 213655) | |
| Pliensbachian | Chile | Tetrarhynchia tetrahedra (7429 7430) | |
| Spinatum | United Kingdom (Yorkshire) | Tetrarhynchia tetrahedra (222161 222184) | |
| Spinatum | Spain | Tetrarhynchia tetrahedra (119145 119155) | |
| Spinatum | United Kingdom (Northamptonshire) | Terebratula tetraedra (159205) | |
| Spinatum | Slovakia | Tetrarhynchia tetraedra (158497) | |
| Spinatum | United Kingdom | Tetrarhynchia tetrahedra (38105 218423 218424 218426) | |
| Spinatum | United Kingdom (England) | Tetrarhynchia tetraedra (38093) | |
| Spinatum | United Kingdom (Warwickshire) | Tetrarhynchia tetrahedra (159204) | |
| Early/Lower Toarcian | United Kingdom | Tetrarhynchia tetraedra (213658 213672 213675 213676 213677 213678 213679 213681 213684 213685 213686 213687) | |
| Early/Lower Toarcian | Spain | Tetrarhynchia tetrahedra (160463) |