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Atira inornata

Gastropoda - Turbinidae

Taxonomy
Architectonica inornata was named by Gabb (1864).

It was recombined as Margarites (Atira) inornatus by Stewart (1927); it was recombined as Atira inornata by Squires (2010), Squires (2011).

Sister species lacking formal opinion data
A. laevis, A. nebrascensis, A. tricarinata

Synonymy list
YearName and author
1864Architectonica inornata Gabb p. 118 figs. PI. 20, Fig. 73
1927Margarites (Atira) inornatus Stewart p. 315 figs. Plate XXIV, figs. 2a, and 4
2010Atira inornata Squires p. 1027 fig. 5
2011Atira inornata Squires p. 146

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassVetigastropoda(Salvini-Plawen 1980)
superfamilyTrochoidea(Rafinesque 1815)
familyTurbinidaeRafinesque 1815
subfamilyMargaritinaeStoliczka 1868
genusAtira()
speciesinornata()

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.

†Atira inornata Gabb 1864
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Diagnosis
ReferenceDiagnosis
R. L. Squires 2010Atira with shell size medium, wide pleural angle, spire low, ramp wide and flattish, and ornament nearly obsolete.
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilef
Life habit: epifaunalf
Diet: grazerf
Vision: limitedc
Created: 2009-09-10 08:48:26
Modified: 2009-09-10 10:48:26
Source: f = family, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range: base of the Cenomanian to the top of the Maastrichtian or 100.50000 to 66.00000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Cenomanian100.5 - 93.9USA (California) Margarites inornatus (44195 167601)
Early/Lower Cenomanian100.5 - 93.9USA (California) Margarites inornatus (167599)
Turonian93.9 - 89.8USA (California) Margarites inornatus (167600)
Coniacian89.8 - 85.7USA (California) Architectonica inornata (44232)
Late/Upper Maastrichtian72.2 - 66.0USA (California) Atira inornata (210582 219052 221990)
Maastrichtian72.2 - 66.0USA (California) Margarites inornatus (185494)