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Superregnum: Eukaryota
Regnum: Animalia
Phylum: Brachiopoda
Subphylum: Linguliformea
Classis: Lingulata
Ordo: Lingulida
Superfamilia: † Acrotheloidea

Familiae: † Acrothelidae – † Botsfordiidae

Acrotheloidea Walcott, 1908

Type genus: Acrothele Linnarsson, 1876

Primary references

Walcott, C.D. 1908. Cambrian Brachiopoda: descriptions of new genera and species. Smithsonian Miscellaneous Collections 53(3): 53–137. BHL Reference page.


Acrotheloidea – Taxon details on Fossilworks.

Acrotheloidea is a superfamily of Discinid brachiopods, alternatively ascribed to the lingulids—for a discussion of discinid taxonomy, see Discinida.

The story goes that there's an evolutionary transition from Eoobolus through Pustulobolus and Bostfordia to Acrotretids.[2]

Acrotheloids have an apical foramen.[3]

Kazlev, M.Alan. "Palaeos Metazoa: Brachiopoda: Linguliformea: Discinida".
Boyce, W. D.; Balthasar, U.; Knight, I.; Skovsted, C. B. (6 November 2017). "Depth related brachiopod faunas from the lower Cambrian Forteau Formation of southern Labrador and western Newfoundland, Canada". Palaeontologia Electronica. pp. 1–52. doi:10.26879/775.
Ushatinskaya, G. T; Korovnikov, I. V (2016). "Revision of the superfamily Acrotheloidea (Brachiopoda, class Linguliformea, order Lingulida) from the Lower and Middle Cambrian of the Siberian Platform". Paleontological Journal. 50 (5): 450–462. doi:10.1134/S0031030116050130.


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