SYSTEMATIC. 
Spang. 23 
\Siphonia ficus ; Carez (7) p. 412: Jukes-Browne & Hill (24) p. 31. 
\S. koenigi Mant., pp. 379, 395 ; t/S. sp., p. 91 ; tulipa Z. pp. 78, 87 : 
Jukes-Browne & Hill (24). 
Sulcasti'ella O.S., genus defined, with diagnoses of 1 sp. ; Lendenfeld (27) 
p. 134. 
\Thecosiphonia cenomana n. sp., from Cenomanian of Kuttenberg, Bohemia ; 
Pocta (37) pp. 7, 8, and (38) p. 1 16* pi. i, fig. 10, pi. ii, fig. 5. 
\T. nobilis (Poem.), horizon and occurrence; \T. torgeri n. sp. from 
the Scaphiten- Planer of Halberstadt, p. 23 : Schrammen (47). 
Theonella Gray, genus defined, with diagnoses of 4 spp. ; Lendenfeld (27) 
pp. 126-128. 
Theonellidce , family defined, includes genera Theonella, Discodermia , 
Racodiscida , Jereopsis, Kaliapsis , and Sidcastrella ; Lendenfeld (27) 
p. 126. 
Family Desmanthidjs. 
Desmdnthidce, family defined, includes the single genus Desmanthus ; 
Lendenfeld (27) p. 144. 
Desmanthus Tops., genus defined, with diagnosis of 1 sp. ; Lendenfeld (27) 
pp. 144 & 145. 
Monayithus n. g. for M. plumosus n. sp., Natal Coast ; Kirkpatrick (25) 
pp. 176 & 177, pi. iv, figg. 6, 6a-e, 7 & 7 a, b. 
Family Corallistidje. 
Coscinospongiidce nom. nov. for Corallistidce Soil., defined, includes the 
recent genera Coscinospongia and Macandrewia; Lendenfeld (27) 
p. 135. 
Coscinospongia Bwk., genus defined, includes Corallistes and Heterophymia , 
with diagnoses of 8 spp. ; Lendenfeld (27) pp. 135-137. 
Macandrevoia Gray, genus defined, with diagnoses of 4 spp ; Lendenfeld 
( 27) pp. 138-140. M. azorica; Richard (42) p. 72. 
Family Pleromid^ sea Megamorinim:. 
Pleromatidce for Pleromidce Soli., defined, includes the single recent genus 
Pleroma ; Lendenfeld (27) p. 140. 
\Doryderma ramosum Mant. ; Jukes-Browne & Hill (24) p. 379. 
f Heterostinia obliqua ; Jukes Browne & Hill (24) pp. 379 & 407. 
Pleroma Soil., genus defined, with diagnosis of 1 sp. ; Lendenfeld (27) 
p. 140. 
Family Neopeltidj:. 
Neopeltidce , family defined, includes the single recent genus Neopelta ; 
Lendenfeld (27) p. 140. 
Neopelta O. S., genus defined, with diagnoses of 2 spp. ; Lendenfeld (27) 
pp. 140 & 141. 
Family ScleritodermiDj®. 
Scleritodermatidee, family defined, includes the recent genera Scleritoderma 
and Aciculites ; Lendenfeld (27) p. 141. 
Aciculites O. S., genus defined, with diagnosis of 1 sp* ; Lendenfeld (27) 
p. 143. 
