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Calescharidae, a new family for the Tertiary to Recent Genera Caleschara MacGillivray and Tretosina Canu and Bassler (Bryozoa: Cheilostomata)

Cook, Patricia and Bock, Philip 2001, Calescharidae, a new family for the Tertiary to Recent Genera Caleschara MacGillivray and Tretosina Canu and Bassler (Bryozoa: Cheilostomata), Invertebrate systematics, vol. 15, no. 4, pp. 527-550, doi: 10.1071/IT97013.

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Title Calescharidae, a new family for the Tertiary to Recent Genera Caleschara MacGillivray and Tretosina Canu and Bassler (Bryozoa: Cheilostomata)
Author(s) Cook, Patricia
Bock, Philip
Journal name Invertebrate systematics
Volume number 15
Issue number 4
Start page 527
End page 550
Publisher CSIRO Publishing
Place of publication Collingwood, Vic.
Publication date 2001
ISSN 1445-5226
1447-2600
Summary A new family of Cheilostomata, the Calescharidae, is introduced for the genus Caleschara MacGillivray and its Recent Australian typespecies, C. denticulata(MacGillivray), which is redefined from type and other material. The Australian Tertiary genus Tretosina Canu & Bassler and its type species,T. arcifera Canu & Bassler, are closely related,and are also assigned to the Calescharidae. The history and significance of family attributions of both genera are outlined, and RecentC. denticulata from Australian and other localities is distinguished from the Late Tertiary Victorian species C. parva Maplestone. Caleschara lithconis, sp. nov., from the Late Eocene of Victoria is one of the earliest known species: its morphology closely resembles a Recent form from the Philippines, C. junctifera Canu & Bassler. Another Recent species, Caleschara minuta (Maplestone) from the GilbertIslands, is a senior synonym of three other Indo-Pacific species,C. levinseni Harmer, C. laxa Canu & Bassler and Floridinella arculifera Canu & Bassler, and resembles the European Paleocene C. squamosa. Three other related species are briefly discussed. Close relationships to other families are problematic and are discussed; divergence in the early history of the cheilostomes is inferred.
Language eng
DOI 10.1071/IT97013
Field of Research 040308 Palaeontology (incl Palynology)
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2001, CSIRO
Persistent URL http://hdl.handle.net/10536/DRO/DU:30001390

Document type: Journal Article
Collection: School of Ecology and Environment
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