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Dielasma ellipsoideum

Rhynchonellata - Terebratulida - Dielasmatidae

Taxonomy
Dielasma ellipsoideum was named by Cooper and Grant (1976). Its type specimen is USNM 153314c, a shell (Articulated shell), and it is not a trace fossil.

Synonymy list
YearName and author
1976Dielasma ellipsoideum Cooper and Grant p. 2871 figs. Pl 749, figs 1-65; pl 752, figs 59-62

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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
orderTerebratulida
suborderTerebratulidina
superfamilyDielasmatoideaSchuchert 1913
familyDielasmatidaeSchuchert 1913
subfamilyDielasmatinaeSchuchert 1913
genusDielasmaKing 1856
speciesellipsoideum

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.

†Dielasma ellipsoideum Cooper and Grant 1976
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height369.282.1018.811.24.12

Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: low-level epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:14:12
Modified: 2018-11-10 17:47:38
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013

Age range: base of the Kungurian to the top of the Roadian or 279.30000 to 268.80000 Ma

Collections (22 total)


Time interval Ma Country or state Original ID and collection number
Kungurian279.3 - 272.3USA (Texas) Dielasma ellipsoideum (43494 43495 43513 43515 81651 101785 105879 105931 105940 105941 105981)
Roadian272.3 - 268.8USA (Texas) Dielasma ellipsoideum (43512 43518 43554 81640 101782 101805 101807 102611 105805 105873 105927)