THE LOUISVILLE LIMESTONES. 
145 
LIST OF DEVONIAN FOSSILS, Etc. (Continued). 
SPECIES. 
UpperHeld- 
erberg Gr’p. 
Hydraulic 
& Eucrinal 
Limestones. 
Hamilton 
Group, N.Y. 
Chemung 
Group, N.Y. 
Brachiopoda (Continued). 
Amboccelia umbonata ....... 
* 
* 
. 
Cyrtina Hamiltonensis. 
* 
* 
* 
He 
C. crassa . 
* 
Trematospira hirsuta. 
* 
* 
Nucleospira concinna. 
* 
* 
* 
Athyris spiriferoides ....... 
* 
* 
* 
A. vittata, representing A. Cora 
* 
Meristella nasuta .. 
* 
M. (Pentagonia) unisulcata .... 
* 
# 
Atrypa reticularis, and varieties ..... 
* 
* 
* 
He 
A. aspera ........ 
. 
* 
* 
Rhynchonella Tethys ....... 
* 
R. Sappho ........ 
* 
* 
Pentamerella arata ........ 
* 
P. papilionensis. 
* 
* 
Terebratula harmonia ....... 
Ci'yptonella rectirostra. 
* 
* 
C. lens. 
* 
Tropidoleptus carinatus. 
• 
* 
* 
L AMELUBR A NCHIATA. 
Pterinea flabellum . .. 
He 
Limoptera cancellata, v. occidens .... 
He 
* 
• 
Aviculopecten pecteniformis ...... 
* 
* 
* 
A. • princeps. 
* 
* 
A. parilis.. 
He 
* 
A. crassicostata, representing a Hamilton form 
He 
N uculites triqueter. 
He 
He 
Nucula Neda = N. bellastriata var .... 
N. Niotica . 
Modiomorpha concentrica . 
He 
* 
Cypficardima inflata ....... 
He 
* 
C. ? cylindrica . 
He 
Yoldia? valvulus . 
# 
Tellinomya subnasuta. 
Ptychodesma Knappianum ...... 
He 
. 
Grammysia secunda, v. gibbosa .... 
He 
He 
Lucina (Paracyclas) elliptica . 
He 
L. P. lirata . 
Cardiopsis crassicosta, representing P. robusta 
* 
He 
Conocardium trigonale . - 
• 
Gasteropoda. 
Platyceras conicum . 
* 
He 
* 
P. cristatum, n. sp. near P. carinatum 
P. bucculentum ....... 
* 
P. rictum ........ 
He 
P. dumosum .. 
P. dumosum, v. rarispinum .... 
* 
p. fornicatum ........ 
He 
P. symmetricum . 
* 
He 
He 
Platyostoma lineatum . 
* 
He 
Trochonema emaceratum .*..., 
T. Yandellanum ....... 
T. rectilatera ...... 
Pleurotomaria sulcomarginata ..... 
P. Estella, representing P. Itys 
; P. Lucina ........ 
* 
He 
He 
19 
