STRATIGEAPHICAL LIST OF SPECIES— CRETACEOUS SYSTEM. 



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Older Hexactinellid^e. 



*Craticularia Fittoni, Mant. sp. 

 *Stauronema Cartcri, Sollas. 



Stauronema compactum, Hinde. 



Sestrodictyon convolutum, Hinde. 

 *Leptopliragma Murchisoni, Goldf. s\>. 



Guettardia radians, Hinde. 

 *Ophrystoma ocellatum, Seeley, sp. 

 *Eubrochus clausus, Sollas. 

 *Plocoscypliia fenestrata, T. Smith, sp. 

 *Plocoscyphia labrosa, T. Smith, sp. 



Plocoscyphia pertusa, Gein. 

 *Plocoscyphia reticulata, Hinde. 



Sclerokalia Cunningtoni, Hinde. 



Order Calcispongi/e. 

 *Peronella fureata, Goldf. sp. 

 Peronella ramosissima. Dun. 



*Tremacystia D'Orbignyi, Hinde. 

 *Tremaeystia siphonioides, Mich. sp. 



Tremacy.stia cribrosa, Goldf. sp. 



Corynella foraminosa, Goldf. sp. 



Corynella tetragona, Goldf. sp. 

 *Corynella rugosa, Hinde. 

 *Corynella socialis, Hinde. 



Corynella multidigitata, Mich. sp. 

 ■ Sestrostomella rugosa, Hinde. 



Sestrostomella clavata, Hinde. 



Synopclla spbserica, Mich. sp. 

 *Elasmostoma Normanianum, D'Orb. sp. 

 *Elasmostoma consobrinum, D'Orb. sp. 



Elasmostoma plicatum, Hinde. 



Rapbidonema stellatum, Goldf. sp. 

 *Pharetrospongia Strahani, Sollas. 

 *Pacbytilodia infundibuliformis, Goldf. sp. 



Geet Chalk, 



Order Lithistid^e. 

 *Stacbyspongia spica, Rmm. sp. 

 ■*Sipboiiia ficus, Goldf. 



Jerea Quenstedti, Zitf. 

 *Jerea cordiformis, Hinde. 

 *Nelumbia tuberosa, Hinde. 

 *Polyjerea arbuscula, Hinde. 

 *Polyjerea lobata, Hinde. 

 *Thamnospongia ? reticulata, Hinde. 



Order HEXACTINELLIDiE. 



*Craticularia Fittoni, Mant. sp. 

 *Strephinia convoluta, Hinde. 



Chalk Marl, and Lower Chalk. 



*Strephinia reteformis, Hinde. 

 *Verrucoccelia Vectensis, Hinde. 

 *Stauronema Carteri, Sollas. 

 *Stauronema planum, Hinde. 

 *Leptopbragma Murchisoni, Goldf. sp. 

 *Guettardia stellata, Mich. 

 *Sporadoscinia capax, Hinde. 

 *Sestrocladia furcatus, Hinde. 

 *Ophrystoma micrommatum, Rcem. sp. 

 *Ploeoscyphia fenestrata, T. Smith, sp. 

 *Plocoscyphia labrosa, T. Smith, sp. 

 *Plocoscyphia subruta, Quenst. sp. 



Upper Chalk and Maestricht Chalk. 



Order Monactinellid.e. i Order TetractinelliD/E. 



*Dirrhopalum planum, Hinde. 

 *Acanthoraphis intertextus, Hinde. 

 *Cliona cretacea, Portlock, sp. 

 *Cliona glomerata, Morris, sp. 

 *Cliona? Mantelli, Wetherell, sp. 

 *Ciiona, sp. 



*Ophiraphidites anastomans, Hinde. 

 *Tethyopsis cretaceus, Hinde. 

 *Stelletta inclusa, Hinde. 

 *Geodia ? clavata, Hinde. 

 *Geodia? coronata, Hinde. 

 *Geodia? Wrightiij Hinde. 



