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Harperoides alaskensis

Strophomenata - Strophomenida - Amphistrophiidae

Taxonomy
Harperoides alaskensis was named by Baranov and Blodgett (2016) [= Cymostrophia cf. C. costulata (Barrande): Kirk and Amsden, 1952, p. 55, pl. 10, figs. 12, 13. = Mesodouvillina (Protocymostrophia) cf. M. (P.) costatula (Barrande, 1848): Savage, 1981, p. 363, pl. 2, figs. 5–7.]. Its type specimen is GM IDGPM, no. 219/3, a shell, and it is a 3D body fossil. Its type locality is Soda Creek Type Section - 030 meters, which is in a Pragian shallow subtidal limestone in the Soda Creek Formation of Alaska. It is the type species of Harperoides.

Synonymy list
YearName and author
2016Harperoides alaskensis Baranov and Blodgett p. 36 figs. Plate 8, figs. 1–10

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyStrophomenoideaKing 1846
familyAmphistrophiidaeHarper 1973
subfamilyMesodouvillinaeHarper and Boucot 1978
genusHarperoides
speciesalaskensis

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.

†Harperoides alaskensis Baranov and Blodgett 2016
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:13:23
Modified: 2009-04-13 11:03:33
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013

Age range: Pragian or 413.02000 to 410.62000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Pragian413.02 - 410.62USA (Alaska) Cymostrophia costulata (109022) Harperoides alaskensis (type locality: 176759)