the Upper Lias and Marlstone of Yorkshire. 



219 



List of Fossils found in the Upper Lias and Marlstone*. 



Genus. Species. 



Ophiura Milleri 



Pholadomya obliquata 



ambigua (LutrariaY.&B.) 



Amphidesma? donaciforme 



rotundatum 



Pullastra antiqua 



Cardium truncatum 



multicostatum 



Nucula ovum 



Modiola scalprum 



Inoceramus dubius 



Avicula cygnipes 



inaequivalvis 



Plagiostoma pectenoideum 



Hermanni 



Pecten aequivalvis 



sublaevis 



Gryphea depressa 



Terebratula acuta 



■ bidens 



compressa? 



. tetraedra 



trilineata 



" triplicata 



Orbicula reflexa 



Dentalium giganteum. . 



Turbo undulatus 



Belemnites compressus 



elongatus . . 



■ — trifidus .... 



Nautilus astacoides . . . 

 Ammonites angulatus. . 



annulatus . . 



Boulbiensis 



communis. . 



concavus 



Reference. 

 Phill. T. xiii. fig. 20f 



Formation. 

 Marlstone. 



PhiU. T. xiii. fig. 15 



SowerbyJ, Y. & B. T. viii. fig. 4§ 



Phill. T. xii. fig. 5 





Upper lias. 



Phill. T. xii. fig. 6 



Phill. T. xiii. fifT. 16 



Marlstone. 



Sowerby, Phill. T. xiii. fig. 14 



Phill. T. xiii. fig. 21 



Sowerby, Phill. T. xii. fio'. 4 





Upper lias. 

 Marlstone. 

 Upper lias. 

 Marlstone. 



Sowerby, Phill. T. xiv. fig. 2 



Sowerby, Phill. T. xii. fig. 14 



Phill. T. xiv. fig. 3. Pecten Y. & B. PI. ix. fig. 3 



Sowerby, Phill. T. xiv. fig. 4 



Sowerby, Phill. T. xii. fig. 13 



Voltz 



Upper lias. 

 Marlstone 



Sowerby, T cxxxvi 





Y. & B. PI. ix. fig. 9. Phill. T. xiv. fig. 5 . . 



Phill. T. xiv. fig. 7 



Sowerby, Phill T. xiii. fig. 25 









Phill. T. xiii. fig. 24 



Y. & B. T. viii. fig. 14 









Y. & B. T. viii. fig. 1 7 





Phill T xiii fio- 22 . . . . 





Sowerby, T. Bvi. fig. 1 



Phill. T. xiv. fig. 8 



Phill T xiii fig 18 



Upper lias. 

 Marlstone. 



De Blainvillell, Phill. T. xii. fig. 21 



Miller^!, Y. & B. PI. XV. fig. 1 



Voltz** 



Upper lias. 





Y. & B. T. xiii. fig. 2 



Upper lias. 







Y & B T) 267 





Sowerby, T. cvii. fig. 2. Y. & B. PL xii. fig. 3 

 Sowerby, T. xciv. low. fig 







* In the table, those species only are enumerated of which figures have been published. 

 Where two references are given, the first is to the author who named the fossil ; the second to the 

 work in which a Yorkshire specimen is figured. 



+ Phillips, Illust. Geol. Yorkshire, part i. 1829. I Sowerby, Mineral Conchology, 1812— 1829. 



§ Young and Bird, Geol. Survey of Yorkshire Coast, 2nd edition, 1828. 



II Memoires sur les Belemnites, 1827. ^ Observations on Belemnites, Geol. Tr. 2d Ser. vol.ii. 



** Observations sur les Belemnites, 1830. 



2f 2 



