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Haplistion frustrum

Demospongea - Spirosclerophorida - Haplistiidae

Taxonomy
Haplistion frustrum was named by Rigby and Chatterton (1989). It is not extant. Its type locality is Baillie-Hamilton Island, 402Y, which is in a Wenlock slope limestone/shale in the Cape Phillips Formation of Canada.

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1989Haplistion frustrum Rigby and Chatterton

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RankNameAuthor
kingdomAnimalia()
phylumPoriferaGrant 1836
classDemospongea(Sollas 1875)
subclassLithistida(Schmidt 1870)
orderSpirosclerophoridaReid 1963
RankNameAuthor
suborderRhizomorinaZittel 1895
familyHaplistiidaede Laubenfels 1955
genusHaplistionYoung and Young 1877
speciesfrustrum

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.

Diagnosis
No diagnoses are available