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Helicoprion ergassaminon

Chondrichthyes - Eugeneodontiformes - Helicoprionidae

Taxonomy
Helicoprion ergassaminon was named by Bendix-Almgreen (1966). It is a 3D body fossil. Its type locality is Gay Mine (University of Idaho collection), which is in a Roadian offshore ramp limestone in the Phosphoria Formation of Idaho.

Synonymy list
YearName and author
1966Helicoprion ergassaminon Bendix-Almgreen p. 39 figs. Pl 25; text-figs 25,26
2013Helicoprion ergassaminon Tapanila and Pruitt p. 981 figs. 2.7, 2.8, 12.3

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
orderEugeneodontiformes()
familyHelicoprionidaeKarpinsky 1911
genusHelicoprion
speciesergassaminon

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.

†Helicoprion ergassaminon Bendix-Almgreen 1966
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2009-07-21 07:03:14
Modified: 2009-07-21 09:03:14
Source: o = order, subp = subphylum
References: Carroll 1988, Wagner 2023, Hendy et al. 2009

Age range: Roadian or 274.40000 to 266.90000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Roadian274.4 - 266.9USA (Idaho) Helicoprion ergassaminon (type locality: 140145 152128)