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Boreosomus arcticus

Ptycholepiformes - Ptycholepididae

Taxonomy
Acrolepis arctica was named by Woodward (1912). It is a compression fossil. Its type locality is Sassen Bay, between De Geer Valley and Flower Valley (fish horizon), which is in a Smithian marine siliciclastic in Svalbard and Jan Mayen.

It was recombined as Boreosomus arcticus by Stensiö (1921), Nielsen (1942) and Mutter (2011).

Synonymy list
YearName and author
1912Acrolepis arctica Woodward p. 292 figs. Pl 14, fig 2
1918Acrolepis arctica Stensiö p. 778
1921Boreosomus arcticus Stensiö p. 211 figs. Pl 27, fig 2
1942Boreosomus arcticus Nielsen p. 380
2011Boreosomus arcticus Mutter pp. Table 6.1

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
—Osteichthyes()
—Actinopterygii()
infraclassChondrosteiMüller 1844
orderPtycholepiformes
familyPtycholepididaeBrough 1939
genusBoreosomus
speciesarcticus()

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.

†Boreosomus arcticus Woodward 1912
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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: Carroll 1988, Hendy et al. 2009

Age range: Smithian or 251.30000 to 247.20000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Smithian251.3 - 247.2Svalbard and Jan Mayen Acrolepis arctica (120367) Boreosomus arcticus (120296 120303)
Dienerian250.5 - 251.2Svalbard and Jan Mayen Acrolepis arctica (153411) Boreosomus arcticus (120223)