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Proplina corpulentum

Tergomya - Tryblidiida - Tryblidiidae

Taxonomy
Tryblidium corpulentum was named by Berkey (1898). It is a 3D body fossil. Its type locality is 1 kilometer south of Taylors Falls, half kilometer north of Folsom Island, which is in a Steptoean coastal sandstone in the Franconia Formation of Minnesota.

It was recombined as Proplina corpulentum by Yochelson and Webers (2006).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1898Tryblidium corpulentum Berkey pp. 281 - 282 figs. pl. 20 f. 21-22
2006Proplina corpulentum Yochelson and Webers pp. 36 - 37 figs. 4A1-2

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classTergomya
orderTryblidiida()
superfamilyTryblidioidea()
familyTryblidiidae
genusProplina()
speciescorpulentum()

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.

Proplina corpulentum Berkey 1898
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Diagnosis
ReferenceDiagnosis
E. L. Yochelson and G. F. Webers 2006High, gently arched, relatively slender cones. Apex is without septa. Ornaments are restricted to growth lines only. The interior of the shell is without striations or ribs, but with a faint, ringlike depression in large specimens. Curvature is distinct, but relatively slight. Aperture varies from relatively narrow to moderately wide such that the whorl cross-section approaches subcircular. Aperture is nearly a uniform oval, varying from distinctly to only slightly smaller at one end.
Measurements
No measurements are available
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 1.0 to < 10g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Locomotion: actively mobileo
Life habit: epifaunalo
Diet: grazero
Vision: blindc
Created: 2009-06-11 08:49:05
Modified: 2009-06-11 10:49:05
Source: g = genus, o = order, c = class
References: Hendy et al. 2009, Hendy 2009

Age range: Steptoean or 497.00000 to 493.50000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Steptoean497.0 - 493.5USA (Minnesota) Tryblidium corpulentum (156300)