Rigby, J. Keith
Cambrian and Silurian sponges from North Greenland - Copenhagen Gronlands Geologiske Undersogelse 1986 - pp. 51-63
CAMBRICO
FOSILES
PALEONTOLOGÍA
PORIFERA
SILURICO
GROENLANDIA
Cambrian and Silurian sponges from North Greenland - Copenhagen Gronlands Geologiske Undersogelse 1986 - pp. 51-63
CAMBRICO
FOSILES
PALEONTOLOGÍA
PORIFERA
SILURICO
GROENLANDIA