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Phthanoncoceras ellipticum

Cephalopoda - Ellesmerocerida - Phthanoncoceratidae

Taxonomy
Cyrtoceras ellipticum was named by Lossen (1860). It is not extant. Its type specimen is MB C.873, a shell. Its type locality is Erratic block from Żary, Lower Silesia, which is in a Lasnamagi shallow subtidal limestone in the Folkeslunda Limestone Formation of Poland.

It was recombined as Phtanoncoceras ellipticum by Dzik and Kiselev (1995); it was recombined as Phthanoncoceras ellipticum by Kröger and Mutvei (2005).

Sister species lacking formal opinion data
P. oelandense

Synonymy list
YearName and author
1860Cyrtoceras ellipticum Lossen p. 27 figs. 3a, b Pl. 1
1995Phtanoncoceras ellipticum Dzik and Kiselev p. 62 figs. 1, 3
2005Phthanoncoceras ellipticum Kröger and Mutvei

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
orderEllesmerocerida()
familyPhthanoncoceratidae
genusPhthanoncoceras
speciesellipticum(Lossen 1860)

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Grouping: solitaryo
Environment: marineo
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivorec
Vision: well-developedc
Created: 2005-10-06 14:32:52
Modified: 2007-09-07 11:44:36
Source: o = order, c = class
References: Kiessling 2004, Aberhan et al. 2004

Age range: Lasnamagi or 461.40000 to 459.70000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Lasnamagi461.4 - 459.7Sweden (Kalmar) Phtanoncoceras ellipticum (89255)
Lasnamagi461.4 - 459.7Poland (Kuyavia-Pomerania) Phthanoncoceras ellipticum (89471)
Lasnamagi461.4 - 459.7Poland (Lubusz) Cyrtoceras ellipticum (type locality: 89470)