Paleontology

Geologic time

:

Late Cambrian - Present

Ref: L. Margulis & K.V. Schwartz, 1982: 208

Geography

Distribution	:	Cosmopolitan
Geographic region	:	Africa
Geographic region	:	Antarctic Region
Geographic region	:	Arctic Region
Geographic region	:	Atlantic Ocean
Geographic region	:	Australian Region
Geographic region	:	Caribbean
Geographic region	:	Central America
Geographic region	:	Europe
Geographic region	:	Indian Ocean
Geographic region	:	North America
Geographic region	:	Pacific Ocean

Ecology

Nutritional category

:

Herbivore

Ecology/Habitat

Habitat	:	Freshwater
Habitat	:	Marine
Habitat	:	Terrestrial

Ecology/Strategies

Feeding strategy	:	Deposit feeding
Feeding strategy	:	Grazing predation
Feeding strategy	:	Raptorial predation
Feeding strategy	:	Scavenging
Feeding strategy	:	Suspension feeding