Anthaspidellidae

Anthaspidellidae
	Nevadacoelia wistae, from the early Ordovician of Nevada.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Porifera
Class:	Demospongiae
Suborder:	†Orchocladina
Family:	†Anthaspidellidae; Miller, 1889
Genera
	Capsospongia; Rankenella; Calycocoelia; Zittelella; Rhopalocoelria Raymond and Okulitch, 1940; ?Eospongia (Billings, 1861; Raymond & Okulitch, 1940)[verification needed]; ?Hudsonospongia (Raymond & Okulitch, 1940)[verification needed]; ?Steliella (Hinde, 1889; Wilson, 1948)[verification needed]; ?Zittelella (Ulrich & Everett, 1890)[verification needed];

Anthaspidellidae is an extinct family of sponges whose dendroclone spicules form ladder-like trabs.^[1]

References

^ ^a ^b Kruse, P. (1983). "Middle Cambrian 'Archaeocyathus' from the Georgina Basin is an anthaspidellid sponge". Alcheringa: An Australasian Journal of Palaeontology. 7: 49–58. Bibcode:1983Alch....7...49K. doi:10.1080/03115518308619633.
^ Keith Rigby, J. (1973). "A New Anthaspidellid Sponge from the Silurian of Lake Timiskaming, Quebec". Journal of Paleontology. 47 (4). Paleontological Society: 801–804. JSTOR 1303055.
^ Bingli, L.; Rigby, J.; Zhongde, Z. (2003). "Middle Ordovician Lithistid Sponges from the Bachu-Kalpin Area, Xinjiang, Northwestern China". Journal of Paleontology. 77 (3). Paleontological Society: 430–441. doi:10.1666/0022-3360(2003)077<0430:MOLSFT>2.0.CO;2. JSTOR 4094792.

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