Anthaspidellidae is an extinct family of sponges whose dendroclone spicules form ladder-like trabs.[1]
References
^ abKruse, P. (1983). "Middle Cambrian 'Archaeocyathus' from the Georgina Basin is an anthaspidellid sponge". Alcheringa: An Australasian Journal of Palaeontology. 7: 49–58. doi:10.1080/03115518308619633.
^Keith Rigby, J. (1973). "A New Anthaspidellid Sponge from the Silurian of Lake Timiskaming, Quebec". Journal of Paleontology. Paleontological Society. 47 (4): 801–804. JSTOR1303055.
^Bingli, L.; Rigby, J.; Zhongde, Z. (2003). "Middle Ordovician Lithistid Sponges from the Bachu-Kalpin Area, Xinjiang, Northwestern China". Journal of Paleontology. Paleontological Society. 77 (3): 430–441. doi:10.1666/0022-3360(2003)077<0430:MOLSFT>2.0.CO;2. JSTOR4094792.
