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

Strophostylus girtyi

Gastropoda - Euomphalina - Platyceratidae

Taxonomy
Helictostylus girtyi was named by Knight (1934). It is a 3D body fossil. Its type locality is Fredonia, Olathe Limestone Member, which is in a Missourian carbonate limestone in the Stanton Formation of Kansas.

It was recombined as Strophostylus girtyi by Yochelson and Saunders (1967), Kues (1984), Kues and Batten (2001), Wagner (2023).

Sister species lacking formal opinion data
Platyceras giebeli, Platyceras naticopsis, S. cyclostomus, S. rotundata, S. splendens

Synonymy list
YearName and author
1934Helictostylus girtyi Knight p. 165 figs. pl. 25 f. 2a-f
1967Strophostylus girtyi Yochelson and Saunders p. 230
1984Strophostylus girtyi Kues figs. f. 3.36-3.37
2001Strophostylus girtyi Kues and Batten p. 44 figs. f. 8.13-8.16
2023Strophostylus girtyi Wagner p. 5888

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
genusStrophostylus
speciesgirtyi()

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.

†Strophostylus girtyi Knight 1934
show all | hide all
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitef
Composition 2: aragonitef
Entire body: yesg
Adult length: 10 to < 100g
Adult width: 10 to < 100g
Adult height: 10 to < 100g
Folds: noneg
Ribbing: noneg
Spines: noneg
Internal reinforcement: noneg
Ontogeny: accretionsuperf
Environment: marinef
Locomotion: passively mobilef
Epibiont: yesf
Life habit: epifaunalf
Diet: coprophagef
Vision: limitedc
Created: 2009-06-06 07:14:20
Modified: 2009-06-06 09:14:20
Source: g = genus, f = family, superf = superfamily, c = class
References: Hendy 2009, Batten 1984, Kiessling 2004, Knight et al. 1960

Age range: base of the Desmoinesian to the top of the Missourian or 312.80000 to 303.70000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Kashirian - Myachkovian313.8 - 307.0USA (New Mexico) Strophostylus girtyi (46548)
Desmoinesian312.8 - 306.0USA (New Mexico) Strophostylus girtyi (46536)
Missourian306.0 - 303.7USA (Kansas) Helictostylus girtyi (160138)