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Pentagonodiscus

Gastropoda - Euomphalina - Euomphalidae

Taxonomy
Pentagonodiscus was named by Wendt (1968) [Sepkoski's age data: J Sine-u J Bajo-u Sepkoski's reference number: 661].

It was assigned to Euomphalidae by Szabo (1979); and to Archaeogastropoda by Sepkoski (2002).

Species
P. augustus, P. initiopentagonatus, P. reussii
Species lacking formal opinion data
P. angustus

Synonymy list
YearName and author
1968Pentagonodiscus Wendt
1979Pentagonodiscus Szabo p. 26
2002Pentagonodiscus Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classGastropoda
subclassEogastropoda
orderEuomphalina
superfamilyEuomphaloidea()
familyEuomphalidae
genusPentagonodiscusWendt 1968

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.

G. †Pentagonodiscus Wendt 1968
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
height36.214.809.805.102.80

Composition: aragonitef
Composition 2: low Mg calcitef
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Locomotion: stationaryf
Life habit: epifaunalf
Diet: suspension feederf
Diet 2: detritivoref
Vision: limitedc
Created: 2007-09-18 08:58:27
Modified: 2025-08-07 22:35:47
Source: f = family, c = class
Reference: Kiessling 2004

Age range: base of the Oxynotum to the top of the Early/Lower Bajocian or 199.50000 to 168.60000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Oxynotum - Raricostatum199.5 - 192.9Hungary (Veszprém Megye) P. reussii (81576)
Late/Upper Sinemurian - Early/Lower Pliensbachian199.5 - 184.2Hungary P. reussii (78630)
Raricostatum - Ibex199.5 - 184.2Hungary P. reussii (78689)
Davoei192.9 - 184.2Hungary P. initiopentagonatus (108955) P. sp. (109117)
Early/Lower Pliensbachian192.9 - 184.2Italy (Messina) Discohelix reussi (173593)
Ibex192.9 - 184.2Hungary P. reussii (45475)
Jamesoni192.9 - 184.2Türkiye P. reussii (158460 200773)
Pliensbachian192.9 - 184.2Hungary P. reussii, P. initiopentagonatus (91406)
Early/Lower Bajocian170.9 - 168.6Italy (Umbria) P. angustus (176993)
Humphresianum - Parkinsoni170.9 - 168.2Hungary P. angustus, P. augustus (91409)