ammonites
Colospongia arakeljani Zhuravleva 1991 (demosponge)

Demospongea - Vaceletida - Colospongiidae

Full reference: I. T. Zhuravleva. 1991. Taxonomic Names. Sphinktozoa Phanerozoya Territorii SSSR 1-224

Belongs to Colospongia according to I. T. Zhuravleva 1991

Sister taxa: Colospongia americana, Colospongia aspergillum, Colospongia benjamini, Colospongia catenulata, Colospongia composita, Colospongia cortexifera, Colospongia dubia, Colospongia globosa, Colospongia iranica, Colospongia leveni, Colospongia maxima, Colospongia monilis, Colospongia nachodkiensis, Colospongia paronae, Colospongia pramollensis, Colospongia ramosa, Colospongia recta, Colospongia salinaria

Type specimen: TsSGM 456/1, specimen 1, slide 3. Its type locality is Danzik, Arpa River, which is in a Capitanian carbonate limestone in the Arpinskaya Formation of Azerbaijan.

Ecology: stationary epifaunal suspension feeder