PBDB Taxon

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

Villania

Cephalopoda - Ammonitida - Phricodoceratidae

Taxonomy

Villania was named by Till (1909) [Sepkoski's age data: J Plie-l J Call]. It is not extant. Its type is Villania densilobata.

It was assigned to Ammonoidea by Sepkoski (2002); and to Phricodoceratidae by Howarth (2013).

Synonyms

Coeloderoceras was named by Spath (1923) [Sepkoski's age data: J Plie-l]. It is not extant.

It was synonymized subjectively with Villania by Howarth (2013).

It was assigned to Xipheroceratinae by Bremer (1965); and to Ammonoidea by Sepkoski (2002).
Epideroceras was named by Spath (1923) [Sepkoski's age data: J Sine-u J Plie-l Sepkoski's reference number: 302]. It is not extant.

It was synonymized subjectively with Villania by Howarth (2013).

It was assigned to Xipheroceratinae by Bremer (1965); to Phricodoceratidae by Blau (1998); to Ammonoidea by Sepkoski (2002); and to Epideroceratidae by Meister and Friebe (2003).
Omoderoceras was named by Venturi et al. (2004).

It was synonymized subjectively with Villania by Howarth (2013).

Synonymy list

Year	Name and author
1909	Villania Till
1923	Coeloderoceras Spath
1923	Epideroceras Spath
1965	Coeloderoceras Bremer
1965	Epideroceras Bremer
1998	Epideroceras Blau p. 227
2002	Coeloderoceras Sepkoski
2002	Epideroceras Sepkoski
2002	Villania Sepkoski
2003	Epideroceras Meister and Friebe
2004	Omoderoceras Venturi et al.
2013	Villania Howarth p. 48

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca

Rank	Name	Author
class	Cephalopoda	Cuvier 1797
subclass	Ammonoidea	()
order	Ammonitida
suborder	Ammonitina	Hyatt 1889
superfamily	Eoderoceratoidea	(Spath 1929)
family	Phricodoceratidae	(Spath 1938)
genus	Villania	Till 1909

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. †Villania Till 1909

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†Villania callomoni Géczy 1998

†Villania densilobata Till 1909

†Villania galaczi Géczy 1998

†Villania kopeki Géczy 1998

†Villania latispira Venturi et al. 2005

†Villania rollieri Lóczy 1915

Invalid names: Coeloderoceras Spath 1923 [synonym], Epideroceras Spath 1923 [synonym], Omoderoceras Venturi et al. 2004 [synonym]

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	18	14.1	3.20	75.0	19.0	17.3
shell diameter	18	39.6	9.90	229.0	51.5	53.1
shell inflation	18	18.7	2.90	108.8	24.2	26.6

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 Pliensbachian to the top of the Jamesoni or 190.80000 to 183.00000 Ma

Collections (43 total)

Time interval	Ma	Country or state	Original ID and collection number
Sinemurian - Early/Lower Pliensbachian	199.3 - 183.0	Austria	Epideroceras sp., Epideroceras lorioli (218908)
Sinemurian - Pliensbachian	199.3 - 182.7	Austria	Epideroceras sp., Epideroceras lorioli (218903)
Obtusum	196.5 - 189.6	Germany	Epideroceras sp. (189224)
Raricostatum	196.5 - 189.6	Ukraine (Crimea)	Epideroceras grande, Epideroceras lorioli (230735)
Raricostatum	196.5 - 189.6	United Kingdom (England)	Epideroceras lorioli (33363 33364)
Raricostatum	196.5 - 189.6	Turkey	Epideroceras lorioli (147343) Epideroceras sp. (147342)
Raricostatum	196.5 - 189.6	United Kingdom (Dorset)	Epideroceras exheredatum (159865)
Raricostatum	196.5 - 189.6	Austria	Epideroceras lorioli (189159 189182 189183 189198 189200 189201) Epideroceras sp. (189161 189172 189190 189192 189215) Epideroceras sp., Epideroceras lorioli (189160 189193 189194 189195 189196 189197 189202 189217)
Late/Upper Sinemurian - Early/Lower Pliensbachian	196.5 - 183.0	Turkey	Coeloderoceras ponticum, Epideroceras grande, Epideroceras steinmanni, Epideroceras roberti, Epideroceras latinodosum, Epideroceras transiens, Epideroceras coeloceroides, Epideroceras unispinatum, Coeloderoceras anatolicum (218660)
Late/Upper Sinemurian - Late/Upper Pliensbachian	196.5 - 183.0	Austria	Epideroceras lorioli (218910 218932) Epideroceras sp. (218911)
Obtusum - Margaritatus	196.5 - 183.0	Austria	Epideroceras sp. (218909)
Raricostatum - Ibex	196.5 - 183.0	Turkey	Epideroceras sp. (147339)
Pliensbachian	190.8 - 182.7	Austria	Coeloderoceras sp. (218330)
Pliensbachian	190.8 - 182.7	Turkey	Coeloderoceras ponticum, Epideroceras heberti, Coeloderoceras dubium (218658)
Early/Lower Pliensbachian	189.6 - 183.0	Tunisia	Coeloderoceras sp. (170557)
Jamesoni	189.6 - 183.0	Turkey	Epideroceras nodofissum (147327)
Jamesoni	189.6 - 183.0	United Kingdom (England)	Epideroceras steinmanni (33362)
Jamesoni	189.6 - 183.0	Italy	Omoderoceras latispira (146997 146998)
Jamesoni	189.6 - 183.0	Hungary	V. densilobata, Coeloderoceras ponticum, V. kopeki, Epideroceras exhaeredatum, Epideroceras defluxum, Epideroceras grande, V. rollieri, V. callomoni (108313) V. galaczi, Epideroceras beggingensis (108314)