Worm Fossils


The Lobopodians of Cambrian Time

	Lobopodia: Microdictyon sinicum (velvet worm) Early Cambrian Chengjiang Biota, China	Lobopodia: Paucipodia inermis (velvet worm) Early Cambrian Chengjiang Biota, China

Phylum Nematoda (roundworms)

Cricocosmia jinningensis Early Cambrian Chengjiang Biota, China	Maotianshania cylindrica Early Cambrian Chengjiang Biota, China	Paleoscolex sinensis Early Cambrian Chengjiang Biota, China

Phylum: Annelida

Annelid Predator Worm M iddle Cambrian Marjum Formation, Utah	Class Polychaete Middle Cretaceous Haqel, Lebanon	Fossundecima konecniorum Polychaete Worm with Preserved Jaws Phylum: Annelida; Class Polychaeta Carboniferous Mazon Creek, Illinois

Coprinoscolex ellongimus Actually Phylum Echiura "Oldest Known Leech" Pennsylvanian Mazon Creek, Illinois	Didontogaster cordylina Class Polycheate Pennsylvanian Mazon Creek, Illinois	Astreptoscolex anasillosus Class Polycheate Pennsylvanian Mazon Creek, Illinois	Rhaphidiophorus hystrix Class Polycheate Pennsylvanian Mazon Creek, Illinois

Pieckonia helenae Class Polycheate Pennsylvanian Mazon Creek, Illinois	Esconites zelus Class Polycheate Pennsylvanian Mazon Creek, Illinois

Phylum Cephaloryncha (kinorhynchs & priapulids)

Selkirkia sp. with Gut Trace and Proboscis Marjum Formation, Utah	Sicyophorus rarus Early Cambrian Chengjiang Biota, China	Acosmia maotiania Early Cambrian Chengjiang Biota, China	Palaeopriapulites parvus Priapulid Worm Early Cambrian Chengjiang Biota, China