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Orthopinna sagitta

Bivalvia - Ostreida - Pinnidae

Taxonomy
Aviculopinna sagitta was named by Chronic (1952). Its type specimen is Mus N. Ariz G2.1300, a valve (Left valve), and it is a mold. Its type locality is Bottomless Pits, Bed 9, Kaibab Formation, Walnut Canyon, which is in a Roadian shallow subtidal limestone in the Kaibab Formation of Arizona.

It was recombined as Meekopinna sagitta by Yancey (1978); it was recombined as Orthopinna sagitta by Yancey (2024).

Synonymy list
YearName and author
1952Aviculopinna sagitta Chronic p. 141 figs. Pl 6, fig 10
1967Aviculopinna sagitta Mayou p. 119 figs. Pl 1, fig 8
1978Meekopinna sagitta Yancey p. 340 figs. Pl 10, figs 10,11
2024Orthopinna sagitta Yancey

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
RankNameAuthor
OstreomorphiFerussac 1822
OstreioniFerussac 1822
OstreataFerussac 1822
superorderOstreiformiiFerussac 1822
orderOstreida(Fërussac 1822)
suborderMalleidinaGray 1854
superfamilyPinnoideaLeach 1819
familyPinnidaeLeach 1819
genusOrthopinna
speciessagitta()

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.

Orthopinna sagitta Chronic 1952
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
valve height218.417.020.018.52.12

Composition: low Mg calcitef
Composition 2: aragonitef
Environment: marine, brackisho
Locomotion: stationaryf
Attached: yesf
Life habit: semi-infaunalf
Diet: suspension feederf
Vision: blindc
Created: 2007-10-05 06:15:03
Modified: 2009-08-17 21:48:23
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Kiessling 2004

Age range: base of the Leonardian to the top of the Lopingian or 286.00000 to 251.90200 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Artinskian290.1 - 283.3USA (Nevada) Meekopinna sagitta (11962)
Leonardian286.0 - 274.4USA (Nevada) Orthopinna sagitta (236634)
Kungurian283.3 - 274.4USA (Arizona) Orthopinna sagitta (236584)
Kungurian283.3 - 274.4USA (Nevada) Aviculopinna sagitta (38745 38825 38827) Meekopinna sagitta (120961 120962 120963 120965)
Roadian274.4 - 266.9USA (Arizona) Aviculopinna sagitta (type locality: 39999)
Lopingian259.51 - 251.902USA (Wyoming) Aviculopinna sp. B (87156) Aviculopinna sp. b (105352)