|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||Age range and collections|
Demospongea - Anthaspidellidae
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|R. M. Finks 1960||Skeleton composed of tetraclones and chiastoclones in irregular orientation; axial region of sponge occupied by large, parallel apochetes which open chiefly on the summit; prosochetes perpendicular to sides; specialized dermalia may be present.|