Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Proplina convexum

Tergomya - Tryblidiida - Tryblidiidae

Taxonomy
Tryblidium convexum was named by Berkey (1898). Its type specimen is AMNH 22274, a shell, and 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 convexum by Yochelson and Webers (2006).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1898Tryblidium convexum Berkey p. 280 figs. pl. 20 f. 24, 25; pl. 21 f. 18.
2006Proplina convexum Yochelson and Webers pp. 38 - 39 fig. 5

Is something missing? Join the Paleobiology Database and enter the data

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

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 convexum Berkey 1898
show all | hide all
Diagnosis
ReferenceDiagnosis
E. L. Yochelson and G. F. Webers 2006Distinctly curved, slightly arched, elongate specimens with a short slope below the apex; dorsum is elongate, smoothly and gently curved, seemingly following the arc of a large circle; lateral slopes are more strongly arched and seemingly slightly compressed; the short slope varies from little arched to distinctly curved; details of the exterior are unknown.
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 2009, Hendy et al. 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 convexum (type locality: 156300)