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Haplistion arcticum

Demospongiae - Spirosclerophorida - Haplistiidae

Taxonomy
Pemmatites arcticus was named by Dunikowski (1884).

It was recombined as Haplistion arcticus by Siedlecka (1970); it was recombined as Haplistion arcticum by Rigby and Terrell (1973).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1884Pemmatites arcticus Dunikowski
1970Haplistion arcticus Siedlecka p. 74 figs. Pl 1, figs 1-7; pl 3, fig 3; pl 4, figs 1, 2, 4, 7-11; text-fig 2
1973Haplistion arcticum Rigby and Terrell p. 1432 fig. 1,2,7,9,10

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RankNameAuthor
kingdomAnimalia()
phylumPoriferaGrant 1836
classDemospongiae(Sollas 1875)
subclassLithistida(Schmidt 1870)
orderSpirosclerophoridaReid 1963
RankNameAuthor
suborderRhizomorinaZittel 1895
familyHaplistiidaede Laubenfels 1955
genusHaplistionYoung and Young 1877
speciesarcticum(Dunikowski 1884)

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.

Haplistion arcticum Dunikowski 1884
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Diagnosis
No diagnoses are available