LARVAE & TRILOBITE ORDERS: PICTURES
PHACOPIDA: CALYMENINA
Family CALYMENIDAE
Flexicalymene senaria
from Chatterton et al., 1990
first larval stage second larval stage third larval stage fourth larval stage
Platycalymene trapezoidalis
from Edgecombe et al., 1998
first larval stage second larval stage third larval stage
Family HOMALONOTIDAE
Brongniartella sp.
from Chatterton et al., 1990
first larval stage second larval stage
REFERENCES:
CHATTERTON, B.D.E., D.J., SIVETER, G.D., EDGECOMBE, & A. S. HUNT. 1990. Larvae and relationships of the Calymenina (Trilobita). Journal of Paleontology, 64(2): 255-277.
EDGECOMBE, G.D., B.D.E., CHATTERTON, B.G., WAISFELD, & N.E. VACCARI. 1998. Ordovician (Whiterock) calymenid and encrinurid trilobites from the precordillera of Argentina. Journal of Paleontology, 72(4): 678-697.    Abstract   Text
(CHEIRURINA Pics)
Last modified: Jan., 09th 2007 Contact me