Kingdom Animalia Phylum Porifera Order Lithistida | Class Demospongea Rank Family | |
Similar Tetractinomorpha, Archaeocyatha, Thrombolite, Demosponge, Stromatoporoidea | ||
The Anthaspidellidae are an extinct family of sponges whose dendroclone spicules form ladder-like trabs.
References
Anthaspidellidae Wikipedia(Text) CC BY-SA