Vol. 69.] 



IN THE MAGNESIAN LIMESTONE AT HARTLEPOOL. 



215 



Fossils of the Middle Magnesias Limestones in the Haktlepool Aeea, 



SHOWING THE GRADUAL EXTINCTION OF THE FAUNA OF THE ShELL- 



Limestone. 



[The last column includes the fossils of the bedded western equivalents of the Shell- 

 Limestone in Castle-Eden Dene. r=rare; c= common; v.c. = very common.] 



Names 



of 

 Species. 



Lower 

 Shell- 

 Lime- 

 stone. 



Bryozoonal Shell- 

 Limestones of 

 Castle-Eden Dene. 



Shell-Limestone 

 Conglomerates. 



Highest 

 Shell- 

 Lime- 

 stones. 



Bedded 

 Middle 

 Lime- 

 stones. 



s 







O 



Blackball Rocks. 



2 



S a 



Si 



S-2 







Vermes. 



# 



* 



# 

 # 



* 



# 

 * 



v.r. 



r 

 # 



* 

 # 



# 



v.r. 

 ■ •r 



# 



# 

 # 



v.r. 



* 

 v.c. 



r 



* 



r 



r 



r 



v.r. 

 v.c. 



v.c. 



V 



v.r. 

 v.c. 



* 



# 





Vermilia obscura King 



.Aiithozoa. 

 Petra ia profunda Germar 



Bryozoa. 



Calamopora macrothii Gein 



Stenopora columnaris Schl 



Penestella retiformis Schl. ...!.... 



Synocladia virgulacea Phill 



Phyllopora ehrenhergi Gein 



Acanthocladia anceps Schl 



E cliino der m at a . 



Archceocidaris verneuiliana King . 

 Braehiopoda. 





Productus umbonillatus King 



Stroplialosia lamellosa Gein 



Strophalosia goldfussi Miinst. 

 Streptorliynch uspelargonatus Schl. 

 C'amarophoria schlotheimi v. Buch 

 Camarophoria globulina Phill. ... 

 Camaroplwria multiplicata King.. 

 Trigonotreta alata Schl. and 





Trigonotreta multiplicata Sow. . . 



Cleiotfij/ris pectin if era Sow 



Nartinia clannyana King 



Epitlij/ris elongata Schl 





Q. J. G. S. No. 274. 



