“Reynesocoeloceras”的意思、由来-开放百科全书

词条

Reynesocoeloceras

释义

Distribution
Description
References

{{Automatic taxobox
|fossil_range = {{fossil range|Pliensbachian}}^[1]^[2]
| taxon = Reynesocoeloceras
| authority = Géczy, 1976
| type_species = Ammonites (Stephanoceras) crassus Young & Bird, 1828 var. indunense Meneghini, 1874
| subdivision_ranks = Species ^[3]
| subdivision =

R. indunense Meneghini, 1874
R. levicosta Fucinii, 1905
R. corvalani Caruthers et al., 2018
R. elmii Dommergues et al., 2011
R. fallax Fucini, 1905
R. grahami Smith and Tipper, 1996
R. incertum Fucini 1905
R. obesum Fucini, 1905
R. praeincertum Dommergues and Mouterde, 1982
R. simulans Fucini, 1905

| synonyms =

Indunoceras Wiedenmayer, 1977

}}

Reynesocoeloceras is genus of ammonite that lived during the lower Pliensbachian stage of early Jurassic, ammonite zones Ibex—Davoei.

Distribution

Fossils of this genus are found in Europe, North America, South America and north Africa.^[1]^[3]

Description

Shells of ammonites belonging to this genera had evolute cadicone whorls with depressed section. Venter has been flat. Ribs were usually single. On the ventrolateral tubercules, which could have been small, or even large, there might have been bifuraction of ribs.^[1]

References

1. ^¹²M. K. Howarth 2013. Treatise on Invertebrate Paleontology, Part L, Revised, Volume 3B, Chapter 4: Psiloceratoidea, Eoderoceratoidea, Hildoceratoidea.
2. ^{{cite web | last = Sepkoski| first = Jack| title= Sepkoski's Online Genus Database|authorlink =| coauthors =| year = 2002| url = http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class| accessdate = 2017-10-16 }}
3. ^¹Paleobiology Database - Reynesocoeloceras. 2017-10-16.

3 : Ammonitida genera|Dactylioceratidae|Jurassic ammonites

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