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Quadratirhynchia quadrata
Taxonomy
Quadratirhynchia quadrata was named by Buckman (1917). It is a 3D body fossil. Its type locality is Yeovil (BGS collection), which is in a Spinatum carbonate limestone in the United Kingdom. It is the type species of Quadratirhynchia.
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1917 | Quadratirhynchia quadrata Buckman p. 42 figs. Pl 13 fig 1 |
| 1917 | Quadratirhynchia sphaeroidalis Buckman p. 228 figs. Pl 13, fig 2 |
| 1956 | Quadratirhynchia quadrata Ager p. 14 figs. Pl 2, figs 1a-d; text-figs 10,11 |
| 2000 | Quadratirhynchia quadrata Alméras and Fauré p. 161 figs. Pl 16, figs 14-19; text-fig 32; suppl. fig. 53 |
| 2007 | Quadratirhynchia quadrata Alméras et al. p. 82 figs. Pl 5, fig 9 |
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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.
†Quadratirhynchia quadrata Buckman 1917
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Invalid names: Quadratirhynchia sphaeroidalis Buckman 1917 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 18.1 | 9.70 | 27.3 | 17.9 | 6.02 |
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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: Margaritatus or 192.90000 to 184.20000 Ma
Collections (57 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Pliensbachian | United Kingdom (England) | Quadratirhynchia quadrata (28839 28842 28844 28845 28847) | |
| Margaritatus | France | Quadratirhynchia quadrata (140905 160220) | |
| Pliensbachian | France | Quadratirhynchia quadrata (29164 29165 29166 29167 29168 29169 29170 29171 29172 29173 29174 29176 29177) | |
| Spinatum | France | Quadratirhynchia quadrata (124120 160221 160223 160225 160234 160240 160241 160242 160243 160245 160256 160866) | |
| Spinatum | United Kingdom | Quadratirhynchia sphaeroidalis (170922) | |
| Spinatum | United Kingdom (England) | Quadratirhynchia quadrata (38103) | |
| Spinatum | Spain (Aragon) | Quadratirhynchia quadrata (98420 146763 146769 146779) | |
| Spinatum | United Kingdom (Somerset) | Quadratirhynchia quadrata (38099 type locality: 38102) | |
| Spinatum | Spain | Quadratirhynchia quadrata (119144 119145 119153 119218 119219 119225 160302 160307 161004 161005 161006 161007) | |
| Spinatum | Spain (Asturias) | Quadratirhynchia quadrata (101676 101677 110352) | |
| Late/Upper Pliensbachian - Early/Lower Toarcian | Bulgaria | Quadratirhynchia quadrata (106909 106910) |