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

Lithacoceras (Progeronia)

Cephalopoda - Ammonitida - Ataxioceratidae

Taxonomy
Progeronia was named as a genus. It is not extant.

It was reranked as Lithacoceras (Progeronia) by Geyer (1961).

It was assigned to Perisphinctinae by Arkell et al. (1957); to Lithacoceras by Geyer (1961); and to Ammonoidea by Sepkoski (2002).

Synonyms
Synonymy list
YearName and author
1850Ammonites eupalus d'Orbigny p. 555 figs. Pl. 217, fig. 1, 2
1957Progeronia Arkell et al. p. L321
1961Lithacoceras (Progeronia) Geyer
2002Progeronia Sepkoski

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyAtaxioceratidaeBuckman 1921
subfamilyLithacoceratinaeZeiss 1968
genusLithacoceras
subgenusProgeronia

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.

show all | hide all
Invalid names: Ammonites eupalus d'Orbigny 1850 [nomen oblitum]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Environment: marinec
Locomotion: fast-movingo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:27:03
Modified: 2009-10-08 14:14:55
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: base of the Late/Upper Kimmeridgian to the top of the Kimmeridgian or 155.70000 to 152.10000 Ma

Collections (14 total)


Time interval Ma Country or state Original ID and collection number
Oxfordian - Early/Lower Kimmeridgian163.5 - 150.8Somalia Lithacoceras sp. (100372)
Kimmeridgian157.3 - 152.1Algeria Progeronia breviceps (45062 45064 45066 45071 45073)
Kimmeridgian157.3 - 152.1Hungary Progeronia sp. (154739)
Early/Lower Kimmeridgian155.7 - 150.8Romania Progeronia breviceps, Progeronia metamorpha (198350) Progeronia progeron, Progeronia triplex (198349) Progeronia simplex (198351) Progeronia unicompta, Progeronia metamorpha (198353)
Early/Lower Kimmeridgian155.7 - 150.8Switzerland (Jura) Progeronia sp. (185666)
Late/Upper Kimmeridgian155.7 - 150.8Romania Progeronia ernesti (198370 198371)