Olenellus, Hall. 
ARTHROPODA SUB-KINGDOM VII 
Fourteen free segments; pygidium a long telson-like spine. 
Lower Cambrian ; North America and Europe. 
Holmia, Matthe 
segments ; pygidium 
segmented divisions. 
Remopleurides, 
(Fig. 1295). Gla 
panded ; axis wide 



=a 
nnd 
nt 
i) 
BZ 
i 
LA 

iT 
iit 
i) 
) 
t 
i 
. 
t 
i 
t 
i 
i 
ih 
i 
Zz 
w (Fig. 1294). Sixteen free 
a small plate without apparent 
Lower Cambrian ; Norway. 
Portlock 
bella ex- 
; free seg- 


Fie, 1293. 
Paradowides (cf. 
young of P. inflatus, 
Corda sp. = Hydro- 
cephalus carens, 
Barr.). Cambrian; 
Skrey, Bohemia. 

Fic. 1294. 
Holmia Kjerulfi, Linnarson, Cambrian ; 
Ringsaker, Norway. Part of the glabella 
removed, exposing hypostoma beneath. 3/4 
(after Holm). 

Fic. 1295. 

Remopleurides 
(Caphyra) radians, 
Barr. Ordovician : 
Ma. 1999 . pret >. 1296. 
Fia. 1292. (Et. D); Konigshof, Fic. 1296. 
Paradowides Bohenvicus, Barr. Cam- Bohemia. 1/) (after Eurycare brevicauda, Ang. Cambrian ; 
brian (Et. C); Ginetz, Bohemia. 1/s. Barrande). Andrarmn, Sweden (after Angelin). 
ments eleven to thi 

Fic, 1297. 
Olenus truncatus, Briinn. 
Cambrian ; Andrarum, 
Sweden (after Angelin). 
paraboloid, limb bre 
rteen ; pygidium small, axis often reduced to two annulations, the 
pleural portion produced behind into a flat expansion. Ordo- 
vician ; Europe and North America. 
Eurycare, Angelin (Fig. 1296). Cephalic shield ‘short, 
posterior angles produced into long curved spines; thoracic 
segments seven to nine. Cambrian; Europe. 
Olenus, Dalman (Fig. 1297). Glabella defined, not narrow- 
ing anteriorly ; thoracic segments twelve to fifteen, pleura with 
sharp-pointed extremities, bent backwards; axis narrow, pygidium 
small. Cambrian and Ordovician ; Europe. 
Ptychoparia, Corda (Fig. 1288, C). Resembles Olenus, but 
with tapering glabella, wrinkled limb, and larger pygidium. 
Cambrian ; Europe and North America. 
Agraulus, Corda. Body elongate oval ; cephalic shield large, 
nad ; eyes small; thoracic segments sixteen ; pygidium small, with 
rounded margin and three annulations in the axis. Cambrian; Europe and North 
America. 
