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Anazyga

Rhynchonellata - Atrypida - Anazygidae

Taxonomy
Anazyga was named by Davidson (1882) [Sepkoski's age data: O Cara-l O Cara-u Sepkoski's reference number: 683]. It is the type genus of Anazyginae, Anazygidae.

It was assigned to Anazyginae by Williams et al. (2002); to Atrypida by Sepkoski (2002); and to Zygospirinae by Zhan and Jin (2005).

Synonyms
Synonymy list
YearName and author
1882Anazyga Davidson
2002Anazyga Sepkoski
2002Hallina Sepkoski
2002Nuria Sepkoski
2002Anazyga Williams et al. p. 1440
2005Anazyga Zhan and Jin

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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
orderAtrypidaRzhonsnitskaya 1960
suborderAnazygidinaCopper 1996
superfamilyAnazygoideaDavidson 1883
familyAnazygidaeDavidson 1883
subfamilyAnazyginaeDavidson 1883
genusAnazygaDavidson 1882

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. †Anazyga Davidson 1882
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Anazyga aequivalvis Twenhofel 1928
Anazyga orbis Reed 1917
Anazyga recurvirostra Hall 1847
Invalid names: Hallina [synonym], Nuria [synonym]
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: stationaryf
Attached: yesf
Life habit: epifaunalf
Diet: suspension feederf
Vision: blindc
Comments: BODY SIZE: Data from Williams et al (2002).g
Created: 2009-06-03 09:09:53
Modified: 2009-06-03 11:09:53
Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade
References: Meyer et al. 2009, Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004

Age range: base of the Keila to the top of the Katian or 460.90000 to 445.20000 Ma

Collections (212 total)


Time interval Ma Country or state Original ID and collection number
Ordovician485.4 - 443.4USA (Tennessee) A. sp. (1959)
Middle Ordovician470.0 - 458.4USA (New York) A. sp. (333 334 430)
Keila460.9 - 455.8Estonia A. sp. (197520)
Blackriveran460.9 - 449.5Canada (Ontario) Hallina canadensis (55999)
Caradoc460.9 - 449.5USA (Tennessee) A. sp. (1686 1687 1693 1702 1939 1946 1960)
Caradoc460.9 - 449.5Canada (Ontario) A. sp. (336)
Caradoc460.9 - 449.5USA (Georgia) Zygospira recurvirostris (32456 32457 32458 32547 32552 32553 32554 32557 32558 32559 32560 32561 32562 32563 32570 32571 32631 32632 32633 32634 32635 32653 32656 32657 32658 32660 32779 32783 32787 32791 32798 32823 32824 32825 32826 32832 32872 32873 32874 32875 32879 32880 32881 32882 33065 33182 33186 33188)
Caradocian460.9 - 449.5Canada (Ontario) Zygospira recurvirostris (26274 26275 26276)
Caradocian460.9 - 449.5USA (Virginia) Zygospira recurvirostris (34277 34279 34281 34324 34326 34327 34328)
Chatfieldian460.9 - 449.5Canada (Ontario) Zygospira recurvirostris (26263 26267 26268 26269 26270 26271 26273 26277)
Chatfieldian460.9 - 449.5USA (New York) A. sp. (433)
Chatfieldian460.9 - 449.5USA (Kentucky) A. sp. (48796 48797 48798 48799 48800 48801 48802 48803 48804 48805 48808 48809 48810 48811 48812 48813) Zygospira recurvirostris (34563)
Edenian460.9 - 449.5USA (Illinois, Iowa) Zygospira recurvirostris (23807)
Edenian - Maysvillian460.9 - 449.5Canada (Ontario) Zygospira recurvirostris (26293 26294)
Franklinian - Edenian460.9 - 449.5USA (Tennessee) Zygospira recurvirostris (5371)
Kirkfieldian460.9 - 449.5Canada (Ontario) Zygospira recurvirostris (26192)
Kirkfieldian460.9 - 449.5USA (Illinois, Iowa) Zygospira recurvirostris (23797 23798)
Rocklandian460.9 - 449.5USA (Minnesota) Zygospira recurvirostris (219962)
Rocklandian460.9 - 449.5USA (Tennessee) A. sp. (1937 1955 1956 1957) Zygospira recurvirostris (5346)
Rocklandian - Kirkfieldian460.9 - 449.5USA (Illinois, Iowa) Zygospira recurvirostris (23796)
Rocklandian - Shermanian460.9 - 449.5USA (Minnesota) Zygospira recurvirostris (23277 23290)
Shermanian460.9 - 449.5USA (Illinois, Iowa) Zygospira recurvirostris (23799 23800 23801 23803 23804 23805 23806)
Shermanian460.9 - 449.5USA (Minnesota) Zygospira recurvirostris (23092 23278 23279)
Shermanian460.9 - 449.5USA (Tennessee) A. sp. (1694 1695 1696 1697 1698 1924 1925 1953 1954) Zygospira recurvirostris (5350 5357 5358 5360 5368 5369)
Turinian460.9 - 449.5Canada (Ontario) Zygospira recurvirostris (26174 26175 26188 26191)
Turinian460.9 - 449.5USA (Tennessee) Zygospira recurvirostris (5347)
Turinian460.9 - 449.5Canada (British Columbia) A. bellicostata (192182)
Turinian460.9 - 449.5USA (Missouri) Zygospira recurvirostra (175724)
Turinian460.9 - 449.5Canada (Quebec) Zygospira recurvirostris (174157)
Late/Upper Ordovician458.4 - 443.4USA (Maryland) Zygospira recurvirostra (407)
Burrellian457.5 - 455.8United Kingdom (Scotland) Zygospira orbis (165046)
Mohawkian457.5 - 452.5USA (Tennessee) A. sp. (86085 86087 86088 86091 86095 86098 86099 86106 86109 86111 86112 86113 86114 86124 86128 86130 86217)
Mohawkian457.5 - 452.5USA (New York) A. recurvirostris (104577 104581 104585 104586 104587 104588 104591 104593 104594 104603 104605 104606 104618 104622 104623 104624 104625 104627)
Mohawkian457.5 - 452.5USA (Kentucky) A. sp. (86065)
Oandu457.5 - 452.0Estonia A. sp. (197550)
Soudleyan - Marshbrookian457.5 - 452.0China (Shaanxi) Hallina sp. (8540)
Eastonian456.1 - 449.5Australia (New South Wales) Hallina sp. (2699 2700 2702)
Eastonian - Onnian456.1 - 449.5Australia (Tasmania) Hallina sp. (2693)
Cheneyan455.8 - 452.0United Kingdom (Scotland) Zygospira orbis (164412)
Katian453.0 - 445.2China (Xinjian) A. sp. (185164 185166 185167 185170)
Maysvillian452.0 - 449.5Canada (Manitoba) Zygospira recurvirostra (174050)
Ashgill449.5 - 443.7China (HaiNanDao) Hallina sp. (4684)
Ashgillian449.5 - 443.7China (Hubei) A. sp. (114989)
Ashgillian449.5 - 443.7Canada (Québec) A. aequivalvis (24584)
Ashgillian449.5 - 443.7USA (Tennessee) Zygospira recurvirostris (5393)
Richmondian449.5 - 443.7USA (Wyoming) Zygospira aequivalvis (13497 65239)
Richmondian449.5 - 443.7USA (Idaho) Zygospira recurvirostris (183358)
Richmondian449.5 - 443.7Canada (Quebec) Zygospira recurvirostris (173860 173873 173875 174027 174028)
Richmondian449.5 - 443.7USA (Michigan) Zygospira recurvirostris (26312 26313 26316)