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Thedusia trigonalis

Rhynchonellata - Athyridida - Neoretziidae

Taxonomy
Hustedia trigonalis was named by Girty (1909) [Hustedia meekana var. trigonalis]. Its type specimen is USNM 118616a, a shell (Articulated shell), and it is a 3D body fossil.

It was recombined as Hustedia meekana trigonalis by Girty (1909); it was recombined as Thedusia trigonalis by Cooper and Grant (1976), Grunt (1986).

Synonymy list
YearName and author
1909Hustedia meekana trigonalis Girty p. 396 figs. Pl 16, fig 12; pl 21, figs 9-9b
1976Thedusia trigonalis Cooper and Grant p. 2816 figs. Pl 744, figs 2-23
1986Thedusia trigonalis Grunt figs. Pl 18, figs 12-14

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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
orderAthyrididaBoucot et al. 1964
suborderRetziidinaBoucot et al. 1964
superfamilyRetzioideaWaagen 1883
familyNeoretziidaeDagis 1972
subfamilyHustediinaeGrunt 1986
genusThedusia
speciestrigonalis()

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.

†Thedusia trigonalis Girty 1909
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height343.131.206.003.351.19

Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationarysubo
Attached: yessubo
Life habit: low-level epifaunalsubo
Diet: suspension feedersubo
Vision: blindc
Created: 2018-11-10 18:06:56
Modified: 2018-11-10 18:06:56
Source: subo = suborder, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013

Age range: base of the Wordian to the top of the Capitanian or 266.90000 to 259.51000 Ma

Collections (32 total)


Time interval Ma Country or state Original ID and collection number
Wordian266.9 - 264.28USA (Texas) Hustedia trigonalis (108821) Thedusia trigonalis (81619 81939 81940 101867 102619 105896 105902 106108 106138 106139 106244 106245 106299)
Capitanian264.28 - 259.51USA (Texas) Hustedia trigonalis (108801 108812) Thedusia trigonalis (81517 81591 81613 81618 81623 81631 81632 81706 101809 102618 105895 105903 105993 106243 106248 106249)