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Astegosia

Rhynchonellata - Spiriferida - Elythidae

Taxonomy
Astegosia was named by Cooper and Grant (1969) [Sepkoski's age data: P Leon-m P Guad-u Sepkoski's reference number: 7]. Its type is Squamularia subquadrata.

It was assigned to Spiriferida by Sepkoski (2002); and to Phricodothyridinae by Williams et al. (2006).

Species

Synonymy list
YearName and author
1969Astegosia Cooper and Grant p. 2256
2002Astegosia Sepkoski
2006Astegosia Williams et al. p. 1866

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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
orderSpiriferida
suborderDelthyridinaIvanova 1972
superfamilyReticularioidea
familyElythidaeFredericks 1924
subfamilyPhricodothyridinaeCaster 1939
genusAstegosia

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.

G. †Astegosia Cooper and Grant 1969
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Astegosia subquadrata Girty 1908
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height10410.11.3028.510.45.99
valve height116.6----

Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:12:52
Modified: 2004-02-28 16:12:52
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004

Age range: base of the Asselian to the top of the Capitanian or 298.90000 to 259.90000 Ma

Collections (36 total)


Time interval Ma Country or state Original ID and collection number
Asselian298.9 - 295.5China (Xinjiang) A. sp. (105228)
Sakmarian295.5 - 290.1China (Xinjiang) A. sp. (35514)
Kungurian279.3 - 272.3China (Xinjiang) A. sp. (62808)
Roadian272.3 - 268.8Thailand (Trang) A. sp. (40872 40879)
Capitanian265.1 - 259.9USA (New Mexico) A. subquadrata (81620 81629 81955 81962 81964 81966 102609 102622 102625 102628 105989 106253 106302)
Capitanian265.1 - 259.9USA (Texas) A. subquadrata (81589 81590 81591 81611 81613 81614 81615 81967 101798 101809 102618 105893 105904 105995 106250 106252) Squamularia subquadrata (108801 108812)