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Pachyglossella

Lingulata - Lingulida - Obolidae

Taxonomy
Pachyglossella was named by Cooper (1960). Its type is Pachyglossa dorsiconvexa.

It was assigned to Lingulida by Sepkoski (2002); and to Glossellinae by Mitchell (1977), Williams et al. (2000), Hansen and Holmer (2011).

Species
P. dorsiconvexa
Species lacking formal opinion data
P. elderi, P. riciniformis

Synonyms
Synonymy list
YearName and author
1956Pachyglossa Cooper pp. 223 - 224
1960Pachyglossella Cooper p. 601
1977Pachyglossella Mitchell
2000Pachyglossella Williams et al. p. 57
2002Pachyglossella Sepkoski
2011Pachyglossella Hansen and Holmer

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumLinguliformeaWilliams et al. 1996
classLingulataGorjansky and Popov 1985
orderLingulidaWaagen 1885
superfamilyLinguloideaMenke 1828
familyObolidaeKing 1846
subfamilyGlossellinae
genusPachyglossellaCooper 1960

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. †Pachyglossella Cooper 1960
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Invalid names: Pachyglossa Cooper 1956 [replaced]
Diagnosis
ReferenceDiagnosis
G. A. Cooper 1956 (Pachyglossa)Elongate elliptical in outline, strongly biconvex but the brachial valve generally having the greater convexity. Shell usually thick. Surface marked only by growth lines and concentric wrinkles.

Interior of pedicle valve with posterior structure like that of Lingulella with a deep pedicle groove margined by concentrically marked thickenings. Posterior margin of brachial valve slightly thickened and without a posterior plate.
Measurements
No measurements are available
Composition: phosphatico
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Folds: noneg
Ribbing: noneg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryf
Attached: yesf
Life habit: low-level epifaunalf
Diet: suspension feederf
Vision: blindc
Comments: BODY SIZE: Data from Williams et al. (2000).g
Created: 2009-06-04 15:47:59
Modified: 2009-06-04 17:47:59
Source: g = genus, f = family, o = order, c = class, uc = unranked clade
References: Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009, Nesnidal et al. 2013

Age range: base of the Darriwilian to the top of the Richmondian or 469.40000 to 445.50000 Ma

Collections (21 total)


Time interval Ma Country or state Original ID and collection number
Arenig477.1 - 468.0China (Guizhou) P. sp. (7362)
Chazyan471.3 - 457.3USA (Alabama) Pachyglossa pachydermata, Pachyglossa dorsiconvexa (162364)
Darriwilian469.4 - 458.2Norway (Spitsbergen) P. sp. (189871 189881)
Ashbyan457.3 - 449.6USA (Virginia) Pachyglossa pachydermata (164296)
Blackriveran457.3 - 449.6USA (Oklahoma) Pachyglossa biconvexa (23895)
Blackriveran457.3 - 449.6USA (Illinois, Iowa) P. elderi (23791 23792)
Blackriveran - Rocklandian457.3 - 449.6USA (Illinois, Iowa) P. elderi (23795)
Blackriveran - Rocklandian457.3 - 449.6USA (Minnesota) P. elderi (23276)
Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) P. elderi (23797)
Rocklandian - Kirkfieldian457.3 - 449.6USA (Illinois, Iowa) P. elderi (23796)
Rocklandian - Shermanian457.3 - 449.6USA (Minnesota) P. elderi (23277)
Shermanian457.3 - 449.6USA (Illinois, Iowa) P. elderi, P. riciniformis (23799 23800 23801)
Shermanian457.3 - 449.6USA (Minnesota) P. elderi, P. riciniformis (23278)
Chatfieldian453.8 - 451.0USA (Kentucky) P. sp. (34547)
Cheneyan452.5 - 451.3United Kingdom (Scotland) Pachyglossa sp. (164950 164953)
Richmondian449.6 - 445.5United Kingdom (Northern Ireland) P. sp. (89260)