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Orthis

Rhynchonellata - Orthida - Orthidae

Synonymy list
YearName and author
1828Orthis Dalman
1900Dalmanella (Orthis) Cleland
1911Orthis Raymond
1933Orthis Phleger, Jr. p. 7
1959Orthis Oraspold
1961Orthis Rubel
1993Orthis Jaanusson and Bassett
2000Orthis Williams et al. p. 724
2002Orthis 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
familyOrthidaeWoodward 1852
genusOrthisDalman 1828

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. †Orthis Dalman 1828
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Subg. †Orthis (Finkelnburgia) Walcott 1905
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Subg. †Orthis (Orusia) Walcott 1905
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†Orthis acuminata Billings 1859
†Orthis australis M'Coy 1847
†Orthis berthoisi Davidson 1869
†Orthis biforata Nicholson 1875
†Orthis biforata reversata Foerste 1885
†Orthis biloba Linnaeus 1758
†Orthis bilobata Portlock 1843
†Orthis callactis Dalman 1827
†Orthis christianae Kjerulf 1865
†Orthis cypha James 1874
†Orthis davidsoni de Verneuil 1845
†Orthis expansa de Sowerby and Murchison 1839
†Orthis intercostata de Sowerby and Murchison 1839
†Orthis kreklingensis Opik 1939
†Orthis laticostata James 1871
†Orthis perveta Conrad 1843
†Orthis piger Billings 1859
†Orthis reversa McCoy 1862
†Orthis ribeiroi Sharpe 1853
†Orthis spinigera M'Coy 1847
†Orthis subalata Ulrich and Cooper 1938
†Orthis testudinaria Dalman 1828
†Orthis tulliensis Vanuxem 1842
Diagnosis
No diagnoses are available
Measurements
partNmean
shell height16.00

Composition: low Mg calcitep
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Environment: marineuc
Locomotion: stationaryo
Attached: yeso
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2009-06-02 13:50:37
Modified: 2009-06-02 15:50:37
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 Dawan to the top of the Bathonian or 478.60000 to 166.10000 Ma

Collections (241 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ibexian487.5 - 470.0USA (New York) O. sp. (64618)
Tremadoc486.5 - 477.7USA (Vermont) O. sp. (277)
Tremadoc486.5 - 477.7China (JiangSu) O. sp. (7879)
Tremadoc486.5 - 477.7China (Hubei) O. sp. (7728)
Tremadoc486.5 - 477.7China (Sichuan) O. sp. (7681)
Tremadoc486.5 - 477.7China (HeBei) O. sp. (7958 7985)
Tremadoc486.5 - 477.7China (YunNan) O. sp. (7736)
Tremadoc486.5 - 477.7China (Hunan and Hubei) O. sp. (7719 7720)
Arenigian478.6 - 468.1Russian Federation O. antipovi, O. meglitskii (37813)
Dawan478.6 - 468.1China (Guizhou) O. sp. (7371)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Givetian387.7 - 382.7USA (New York) O. lepidus (89648 89651 89652 89654 89655 89657 89660 89662 89667 89668 89669 89671 89672 89673 89804 89808)
Frasnian382.7 - 372.2Colombia (Boyaca) O. sp. (36012)
Asbian340.0 - 336.0Australia (New South Wales) O. spinigera (133349)
Gzhelian - Artinskian303.7 - 279.3Bolivia O. resupinata (120479)
Asselian298.9 - 295.5Slovenia O. sp. (129658)
Wordian266.9 - 264.28Laos O. sp. (125044)
Wuchiapingian259.9 - 254.17Pakistan O. sp. (125909 126278 127025)
Lopingian259.9 - 252.17India O. sp. (117558)
Wuchiapingian - Changhsingian259.9 - 252.17Pakistan O. sp. (126751)
Bathonian168.3 - 166.1France O. sp. (38741)