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

Platyschisma helicoides

Gastropoda - Euomphalina - Platyceratidae

Taxonomy
Ampullaria helicoides was named by Sowerby (1826). It is a 3D body fossil. It is the type species of Platyschisma.

It was recombined as Platyschisma helicoides by M'Coy (1844), de Koninck (1881), Gromczakiewicz-Łomnicka (1973), Rollins (1975), Wagner (2023).

Synonymy list
YearName and author
1826Ampullaria helicoides Sowerby p. 40 figs. pl. 522 f. 2a-b, not c
1844Platyschisma helicoides M'Coy p. 38
1881Platyschisma helicoides de Koninck pp. 114 - 115 figs. pl. 10 f. 7-8; pl. 11 f. 1; pl. 12 f. 23-25
1973Platyschisma helicoides Gromczakiewicz-Łomnicka pp. 27 - 28 figs. pl. 6 f. 2
1975Platyschisma helicoides Rollins p. 16
2023Platyschisma helicoides Wagner p. 3916

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassEogastropoda
orderEuomphalina
superfamilyPlatyceratoidea()
familyPlatyceratidae
genusPlatyschisma
specieshelicoides()

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.

†Platyschisma helicoides Sowerby 1826
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitef
Composition 2: aragonitef
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Ribbing: minorsuperf
Ontogeny: accretionsuperf
Environment: marinef
Locomotion: passively mobilef
Epibiont: yesf
Life habit: epifaunalf
Diet: coprophagef
Vision: limitedc
Created: 2004-08-15 08:04:13
Modified: 2009-07-20 15:16:03
Source: f = family, superf = superfamily, c = class
References: Knight et al. 1960, Kiessling 2004, Batten 1984

Age range: base of the Arundian to the top of the Brigantian or 346.70000 to 330.30000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Arundian346.7 - 339.9Poland (Swietokrzyskie) Platyschisma helicoides (60115)
Asbian339.9 - 335.9United Kingdom (England) Platyschisma helicoides (5995)
Brigantian335.9 - 330.3Ireland (Cork) Platyschisma helicoides (184504)