41 Protozoa — Porifera 



Class Subcl Order 



CILIATA JUR-REC 



Protociliata (Ciliatoidea) rec 



Opalinida rec 



Euciliata jur-rec 



Holotricha ^® (Aspirigera, Aspirotricha) rec 



Spirotricha ^^ (Spirigera) jur-rec 



Chonotricha rec 



Peritricha rec 



SUCTORIA (Acineta, Acinetaria, Tentaculifera) rec 



Suctoria rec 



PORIFERA ^« 

 CALCAREA ^^ (Calcispongea) cam-rec 



Solenida (Asconosa) cam-rec 



Lebetida (Syconosa) jur-rec 



Pharetronida per-rec 



Thalamida (Sphinctozoa) pen-cre 



HYALOSPONGEA ^° (Hexactinellida, Triaxonidd) cam-rec 



Lyssakina (Lyssacina) cam-rec 



Dictyonina (Dictyida, Inermia) ord-rec 



Lychniskophora (Lychniskida) jur-rec 



Heteractinida cam-car 



DEMOSPONGEA ^^ (Desmospongea) cam-rec 



Myxospongida rec 



Keratosida ^^ {Ceratospongida, Ceratosa, Ceratosida, car-rec 

 Euceratosa) 

 ^^ Includes: Rhabdogeniae, Serosporidia, Exosporidia, Piroplasmidea. 

 ^^ Includes: Eugregarinida, Schizogregarinida. 

 ^^ Includes: Adeleida, Eimeriida. 

 ^^ Includes: Babesiida, Plasmodiida. 



'^^ Includes: Apostomina, Aspirotrichaceae, Astomata, Astomina, Gymnosto- 

 mata, Hymenostomata, Thigmotrichina, Trichostomata. 



" Includes: Ctenostomina, Entodiniomorphina, Heterotricha, Hypotricha, 0!i- 

 gotrichina, Polytricha, Tintinnina. 



^^ Synonyms: Spongiaria, Spongeae. Includes: Octactinellida, Heteractinel- 

 lida. Silicospongiae (Non-calcarea) = HEXACTiNELLroA + demospongea. Niduli- 

 tida, sometimes included here, is probably a calcareous alga. 



^^ Asconosa, Syconosa, Leuconosa are structural types, not groups. Includes: 

 Sycones, Dialytina, Lithonina, Homocoelida, Heterocoelida. 



^° Includes: Hexasterophora, Amphidiscophora, Uncinataria. 



21 Includes: Tetractinellida, Tetraxonida, Desmophora, Monaxonida, Sigmato- 

 monaxonellida, Monactinellida. 



22 Considered by some to belong to Hadromerida. Sometimes placed with 

 some others of Demospongea as Cornacuspongia (with orders Protorhabdina, 

 Poikilorhabdina, Phthinorhabdina, Aporhabdina). Includes: Dictyoceratina, Mo- 

 noceratina, Dendroceratina, Hexaceratina. 



