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Primovula (Squiresia) symmetrica

Gastropoda - Eocypraeidae

Taxonomy
Ovula symmetrica was named by Aldrich (1903).

It was recombined as Transovula (Oxycypraea) symmetrica by Palmer (1937), Darragh (1970); it was recombined as Transovula symmetrica by Schilder (1941); it was recombined as Primovula (Squiresia) symmetrica by Dolin and Dockery (2018).

Synonymy list
YearName and author
1903Ovula symmetrica Aldrich p. 99 figs. pl. 3 f. 10
1937Transovula (Oxycypraea) symmetrica Palmer p. 237 figs. pi. 30, fig. 22
1941Transovula symmetrica Schilder p. 106
1970Transovula (Oxycypraea) symmetrica Darragh p. 237 figs. pl. 30 f. 22
2018Primovula (Squiresia) symmetrica Dolin and Dockery p. 55

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classGastropoda
subclassCaenogastropoda(Cox 1959)
RankNameAuthor
—Sorbeoconcha(Ponder and Lindberg 1997)
—Hypsogastropoda(Ponder and Lindberg 1997)
superorderLatrogastropodaRiedel 2000
superfamilyCypraeoidea(Rafinesque 1815)
familyEocypraeidaeSchilder 1924
subfamilyEocypraeinaeSchilder 1924
genusPrimovulaThiele 1925
subgenusSquiresia
speciessymmetrica(Aldrich 1903)

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.

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Diagnosis
ReferenceDiagnosis
T. A. Darragh 1970Shell smooth exteriorly, spire produced, pointed and slightly spatulate, outer lip reflected, margined on the interior with numerous crenulations, and curved from spire to base. Aperture narrow, the inner margin of same denticulated near the spire and with three or four folds at base.
Measurements
No measurements are available
Composition: aragonitec
Locomotion: actively mobilesuperf
Life habit: epifaunalsuperf
Diet: omnivoresuperf
Diet 2: grazersuperf
Vision: limitedc
Created: 2009-09-10 07:50:44
Modified: 2009-09-10 09:50:44
Source: superf = superfamily, c = class
References: Hendy et al. 2009, Kiessling 2004

Age range: Bartonian or 41.03000 to 37.71000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Bartonian41.03 - 37.71USA (Mississippi) Transovula symmetrica (2449 92175 98453)
Bartonian41.03 - 37.71USA (Texas) Primovula symmetrica (277990)