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Rhynchonellata - Atrypida

Synonymy list
YearName and author
1960Atrypida Rzhonsnitskaya
1997Atrypida Jin and Chatterton
2002Atrypida Sepkoski, Jr.
2002Atrypida Williams et al. p. 1377

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EubilateriaAx 1987
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderAtrypidaRzhonsnitskaya 1960
orderAtrypidaRzhonsnitskaya 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.

No diagnoses are available
No measurements are available
Composition: low Mg calcitep
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:10:24
Modified: 2004-02-28 16:10:24
Source: o = order, c = class, p = phylum
Reference: Aberhan et al. 2004

Age range: base of the Llanvirn to the top of the Carboniferous or 466.00000 to 298.90000 Ma

Collections (4266 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Ordovician485.4 - 443.4USA (Ohio) Zygospira modesta (77814)
Ordovician485.4 - 443.4USA (Tennessee) Anazyga sp. (1959)
Ordovician485.4 - 443.4USA (New York) Protozyga sp. (332)
Whiterockian471.8 - 457.5USA (Nevada) Protozyga sp. (104279) Zygospira sp. (104345 104347)
Middle Ordovician470.0 - 458.4USA (Kentucky) Zygospira modesta (10758) Zygospira sp. (10745 10757)
Middle Ordovician470.0 - 458.4USA (New York) Anazyga sp. (430) Anazyga sp., Protozyga sp. (333) Anazyga sp., Zygospira sp. (334) Zygospira sp. (405)
Middle Ordovician470.0 - 458.4USA (California) Zygospira sp. (196183 196185)
Middle Ordovician470.0 - 458.4USA (Virginia) Zygospira sp. (6992)
Middle Ordovician - Late/Upper Ordovician470.0 - 443.4USA (Kentucky) Zygospira sp. (10746) Zygospira sp., Atrypacea sp. (10720)
Middle Ordovician - Late/Upper Ordovician470.0 - 443.4Canada (Nunavut) Atrypa sp. (24229) Zygospira sp. (101977)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Late/Upper Frasnian379.5 - 376.1USA (New York) Spinatrypa sp. (3921 3925)
Early/Lower Famennian376.1 - 370.6France Spinatrypa longispina (38691)
Famennian372.2 - 358.9USA (Pennsylvania) Pseudatrypa devoniana (54252 54918)
Famennian372.2 - 358.9Belgium Spinatrypa comitata, Spinatrypa tumuli (55030)
Famennian372.2 - 358.9USA (New York) Pseudatrypa devoniana (14261 54606) Spinatrypa spinosa (54871)
Carboniferous358.9 - 298.9USA (Montana) Atrypa sp. (12771)
Carboniferous358.9 - 298.9USA (illinois) Spinatrypa occidentalis (25266)
Asbian339.4 - 336.0United Kingdom (England) Davidonia septosa (5992) Davidsonia septosa (5991 5995)
Asbian339.4 - 336.0Australia (New South Wales) Atrypa jukesii (133349)
Pennsylvanian - Asselian323.2 - 295.5China (Xizang) Spinatrypa khalfini (61391)