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Tetrarhynchia dumbletonensis

Rhynchonellata - Rhynchonellida - Tetrarhynchiidae

Taxonomy
Rhynchonella dumbletonensis was named by Davidson (1878). Its type specimen is BMNH B.12288 and is a 3D body fossil. Its type locality is Dumbleton Hill (Marlstone Rock-bed), which is in a Spinatum carbonate limestone in the Marlstone Rock-bed Formation of the United Kingdom.

It was recombined as Tetrarhynchia dumbletonensis by Ager (1956), Alméras and Fauré (2000) and Alméras et al. (2007).

Synonymy list
YearName and author
1878Rhynchonella dumbletonensis Davidson p. 199 figs. Pl 29, fig 5
1956Tetrarhynchia dumbletonensis Ager p. 9 figs. Pl 2, figs 9a-c
2000Tetrarhynchia dumbletonensis Alméras and Fauré p. 142 figs. Pl 14, figs 15-17
2007Tetrarhynchia dumbletonensis Alméras et al. p. 71 figs. Pl 4, figs 5,6

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderRhynchonellidaKuhn 1949
superfamilyHemithiridoideaRzhonsnitskaya 1956
familyTetrarhynchiidaeAger 1965
subfamilyTetrarhynchiinaeAger 1965
genusTetrarhynchia
speciesdumbletonensis(Davidson 1878)

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.

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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height414.18.9021.614.45.22

Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:12:25
Modified: 2004-02-28 16:12:25
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013

Age range: base of the Margaritatus to the top of the Early/Lower Toarcian or 189.60000 to 182.00000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Pliensbachian189.6 - 183.0United Kingdom (England) Tetrarhynchia dumbletonensis (28839 28842 28844)
Margaritatus189.6 - 183.0France Tetrarhynchia dumbletonensis (160220 160893)
Spinatum189.6 - 183.0France Tetrarhynchia dumbletonensis (124126 160222 160223 160242 160243 160248 160252)
Spinatum189.6 - 183.0United Kingdom (England) Rhynchonella dumbletonensis (type locality: 38097)
Early/Lower Toarcian183.0 - 182.0Spain Tetrarhynchia dumbletonensis (171315)