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Dichostasia complex

Gastropoda - Liotiidae

Taxonomy
Dichostasia complex was named by Yochelson (1956). Its type specimen is USNM 119189 and is not a trace fossil. Its type locality is USNM702c, Old Word Ranch, Glass Mountains, which is in a Kungurian slope/ramp reef limestone in the Road Canyon Formation of Texas. It is the type species of Dichostasia.

Synonymy list
YearName and author
1956Dichostasia complex Yochelson p. 257 figs. Pl 23, figs 12-15

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassVetigastropoda(Salvini-Plawen 1980)
superfamilyTrochoidea(Rafinesque 1815)
familyLiotiidaeGray 1850
subfamilyDichostasiinaeYochelson 1956
genusDichostasia
speciescomplex

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.

†Dichostasia complex Yochelson 1956
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height62.562.003.002.650.349

Composition: aragonitec
Locomotion: actively mobilesuperf
Life habit: epifaunalsuperf
Diet: grazersuperf
Vision: limitedc
Created: 2009-09-10 08:47:46
Modified: 2009-09-10 10:47:46
Source: superf = superfamily, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range: base of the Kungurian to the top of the Roadian or 279.30000 to 268.80000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Kungurian279.3 - 272.3Venezuela (Merida) Dichostasia complex (41507)
Kungurian279.3 - 272.3USA (Texas) Dichostasia complex (43491 type locality: 43495 43513 110512)
Roadian272.3 - 268.8USA (Texas) Dichostasia complex (43512 43548)