ECHINOIDEA. (IV, C.) 
Ecliin . 73 
(I)oed.), P. atropha (Gauth.), P. reussi (Geinitz), P. punctillum (Sorig.), 
P. silesiaca (Schluet.), P. subhercynica (Schluet.), P. darupensis 
(Schluet.), P. numinulitica (Sism.), and t P. gauthieri n. sp., Eocene 
of Montserrat; Lambert (161) p. 27, pi. i. 
t Phaleropygus, n. g. allied to Echinanthus and liar lot via (p. 15), with 
genotype P. oppenheimi n. sp., Burdigalian near Mus (Gard); Loriol 
(176) p. 16, pi. iii. 
t Pkoliclocidaris irregularis , descr. ; Keyes (151) p. 180. 
Phormosoma placenta ; Albert (4) p. 962 : Richard (238) pp. 82, 89. 
f Phyllubrissus used as a generic name although distinctly regarded as a 
subgenus of Catopygus (p. 15), P. gresslyi , slight variation (p. 15), 
P. Jciliani n. sp., Aptian, Barcelona (p. 14, pi. i) ; Lambert (161). 
t P/iymosoma, — P. almerai n. sp., Eocene of Barcelona, passage form to 
Lambertechinus (p. 36, pi. ii), P. loryi, distrib. (p. 13); LxiMBERT (161). 
P. nummuliticum D’Archiac & Haime 1853, type; Geol. Soc. London 
(101) p. 44. P. radiatum ; Fortin (80) p. 294. Vide etiam Cyp/to- 
soma. 
t Pironaster roemeri , distinguished from P. abbreviatus and P. vulgaris ; 
Schlueter (252) p. 326. Vide etiam sub Galerites. 
t Plegiocidaris blumenbachi ; Lambert (161) p. 5. 
t Plesiaster, discussed; Lambert in Grossouvre (116) p. 969. 
t Plesiospatangus cotteaui , apical system figd.; Checchia (41). 
Porocidaris Desor, should not include the recent deep-sea forms referred 
to it by Wyville-Thomson, Al. Agassiz et alii; Oppexheim (210) p. 174. 
P. purpurata] Richard (238) p. 83. t P. ruinae n. sp. Lower Eocene, 
Spilecco horizon near Bassano (p. 173, pi. viii), fP. schmideli (p. 173); 
Oppexheim (210). 
t Prenaster, — P. alpinus and P. bericus ; Oppexheim (210) p. 263. P. 
excentricus Wright, figd. Wright 1866 ; Geol. Soc. London (101) 
p. 32. 
Prospatangidae n. fam. Lamb. = Spatangidae Cott.; Lambert in Gross¬ 
ouvre (116) p. 969. 
Prospatangus n. g. = “ Spatangus tel qu’on le comprend depuis Gray’ 5 ; 
Lambert (161) p. 55. 
Psammechinus ,— t P. sp.; Deydier (68) pp. 321, 326. t P. biarritzensis 
(Cott. sub J licropsis) ; Oppexheim (210) p. 183. tP. calarensis ; 
Lovisato (177) p. 13. t P. hispaniae n. sp., Eocene of Barcelona; 
Lambert (161) p. 37, pi. ii. P. miliaris ; Gadeau de Kerville (91) 
p. 178. 
\Pseudananchys,—P. latissima , vide sub Holasteriopsis. P. persica } pro¬ 
bably Aptian ; Gauthier (96) p. 111. Vide etiam sub Holaster. 
\Pseudholaster Pomel, rejected; Gauthier (96) p. 111. 
t Pseudocidaris, — -P. punctatissima, spine descr.; Broili (33) p. 605, 
pi. i: see also LThlig’s Abstract. P. quenstedtii; Schmierer (254) 
p. 573. 
t Pseudodiadema,—P. aequale and P. ? caliculum (p. 573), P, complanatum 
(p. 582); Schmierer (254). P. depressa; Struebin (273) p. 73. P. 
guerangeri; Michalet (203) p. 583. P. lobatum ; Reynolds & 
Vaughan (236) p. 720. P. ( Diplopodia ) marticense\ Kossmat (159) 
p. 53, pi. v. P. octoceps ; Schlosser (251) p. 531. P. rotulare ; Abich 
(1) p. 21, pi. iii. P. rotulare ; Bogdanowitsch (25) p. 67. P. sub- 
angulare ; Schmierer (254) pp. 573, 588. P. texanum ; Hill (129) 
p. 226, pi. xxvii. P. versipora ; Reynolds & Vaughan (236) p. 749. 
t Pseudoepiaster Seunes, rejected ; Lambert (163) p. 126 : syn. of Epiaster\ 
Lambert in Grossouvre (116) p. 970. 
t Pseudosalenia aspera ; Schmierer (254) p. 584. 
t Pygaster speciosus ; Schmierer (254) p. 588. 
iPygaulus, — P. sp. ; Semenow (258) p. 11. P. desmoidini , variations from 
