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Gyrolepis (Holoptychius) giganteus

Osteichthyes - Porolepidiformes - Holoptychiidae

Taxonomy
Holoptychius giganteus was named by Agassiz (1843).

It was recombined as Gyrolepis (Holoptychius) giganteus by Agassiz (1843).

Sister species lacking formal opinion data
Holoptychius decoratus, Holoptychius dewalquei, Holoptychius noblissimus

Synonymy list
YearName and author
1839Holoptychius giganteus Agassiz p. 325
1843Gyrolepis (Holoptychius) giganteus Agassiz
1843Holoptychius giganteus Agassiz p. 325 figs. Pl 19, fig 13
1859Holoptychius giganteus Owen p. 124
1891Holoptychius giganteus Woodward p. 325
1902Holoptychius giganteus Hay p. 358
2020Holoptychius giganteus Mondéjar‐Fernández et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
RankNameAuthor
subclassSarcopterygii()
infraclassDipnomorpha(Ahlberg 1991)
superorderPorolepidimorpha
orderPorolepidiformes(Jarvik 1942)
familyHoloptychiidae
genusGyrolepis
subgenusHoloptychius
speciesgiganteus()

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: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilec
Created: 2009-07-20 21:50:54
Modified: 2009-07-20 23:50:54
Source: c = class, subp = subphylum
References: Kiessling 2004, Carroll 1988, Hendy et al. 2009

Age range: base of the Middle Frasnian to the top of the Famennian or 379.00000 to 358.86000 Ma

Collections (10 total)


Time interval Ma Country or state Original ID and collection number
Frasnian382.31 - 372.15United Kingdom Holoptychius giganteus (239215)
Frasnian382.31 - 372.15USA (Colorado) Holoptychius giganteus (207898 238488 238489)
Late/Upper Devonian382.31 - 358.86Norway Holoptychius giganteus (154904)
Middle Frasnian379.0 - 375.2Poland (Swietokrzyskie Voivodship) Holoptychius giganteus (226394)
Middle Frasnian - Late/Upper Frasnian379.0 - 372.15United Kingdom Holoptychius giganteus (239413)
Late/Upper Frasnian375.2 - 372.15United Kingdom (Scotland) Holoptychius giganteus (176215)
Famennian372.15 - 358.86USA (Pennsylvania) Holoptychius giganteus (164511)
Famennian372.15 - 358.86United Kingdom (Somerset) Holoptychius giganteus (232123)