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Orthidium

Rhynchonellata - Orthida - Orthidiellidae

Taxonomy
Orthidium was named by Hall and Clarke (1892).

It was assigned to Clitambonitidae by Raymond (1911); to Orthidiellidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).

Species
O. barnesi, O. bellulum, O. gemmiculum, O. lamellosa, O. lamellosum, O. prominens
Species lacking formal opinion data
O. fimbriatum

Synonymy list
YearName and author
1892Orthidium Hall and Clarke
1911Orthidium Raymond
2000Orthidium Williams et al. p. 745
2002Orthidium Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyOrthoideaWoodward 1852
familyOrthidiellidaeUlrich and Cooper 1936
genusOrthidiumHall and Clarke 1892

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. †Orthidium Hall and Clarke 1892
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†Orthidium barnesi Ross 1970
†Orthidium bellulum Ulrich and Cooper 1938
†Orthidium gemmiculum Billings 1865
†Orthidium lamellosa Raymond 1905
†Orthidium lamellosum Raymond 1905
†Orthidium prominens Benedetto et al. 2003
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 1.0 to < 10g
Adult height: 1.0 to < 10g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Comments: BODY SIZE: Data from Williams et al (2002).g
Created: 2009-06-04 08:47:09
Modified: 2009-06-04 10:47:09
Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009

Age range: base of the Cassinian to the top of the Early/Lower Llanvirn or 483.40000 to 461.10000 Ma

Collections (35 total)


Time interval Ma Country or state Original ID and collection number
Tremadoc486.4 - 477.1Argentina O. prominens (66890)
Tremadoc486.4 - 477.1Argentina (San Juan) O. prominens (66889 66891)
Cassinian483.4 - 471.3United Kingdom (Scotland) O. sp. (75589)
Cassinian483.4 - 471.3USA (Tennessee) O. gemmiculum (210750)
Arenig477.1 - 468.0Argentina (San Juan) O. sp. (8743)
Arenig477.1 - 468.0Argentina O. sp. (8721 8744)
Billingen475.6 - 471.3Estonia O. sp. (62342)
Billingen475.6 - 471.3Russian Federation O. sp. (198709)
Billingen475.6 - 471.3Russian Federation (Ingria) O. sp. (191663)
Rangerian471.3 - 470.3USA (Nevada) O. bellulum (104448 104634)
Castlemainian - Yapeenian471.3 - 469.4Ireland O. gemmiculum (153922)
Chazyan471.3 - 457.3USA (Vermont) O. lamellosum (171715)
Chazyan471.3 - 457.3USA (New York) O. lamellosa, O. lamellosum (172144 172180 172184) O. lamellosum (171798 172221 172234 172239 172248 172307 172312 172317 172320 172346)
Whiterockian471.3 - 457.3USA (Nevada) O. fimbriatum (80054) O. sp. (80058 104451) O. sp., O. bellulum (14232)
Darriwilian469.4 - 458.2Russian Federation (Siberia) O. fimbriatum (206166)
Early/Lower Llanvirn468.0 - 461.1Argentina O. sp. (8747 8748)