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AMORPHOZOAIRES. 



ORDRE DES PKTROSPONGIDES. 



Cupuîospongia townsensis (D'Orb.), Spongus town- 

 sensis (MantelL), Saintes. 



Cupuîospongia dilatata (D'Orb.), Saintes. 



— oblonga (D'Orb.), Saintes. 



— santonensis (D'Orb.), Saintes. 

 Tubulospongia dendroïdea (Courtiller), Jonzac. 

 Platyspongia discus (Courtiller), Jonzac. 

 Marginospongia irregularis (D'Orb.), Saintes. 

 Spargispongia rugosissima (D'Orb ), Royan. 

 Bicupula lata (Courtiller) , Saintes. 



Jerea cupula (D'Orb.), Jerea excavata (Mich.), Saintes. 

 Rhyzospongia elongata (Courtiller), Jonzac. 



— crassa (Courtiller), Jonzac. 



— pictonica (D'Orb.), Polypotecia picto- 

 nica (H. Mich.), Saintes, Jonzac. 



Rhyzospongia pateriformis (Courtiller), Jonzac. 



— cyathiformis (D'Orb.), Jonzac. 



