Page:Walcott Cambrian Geology and Paleontology II.djvu/236



Class Crustacea

Sub-Class Branchiopoda

Order Anostraca Calman

Family Opabinidæ, new family

Genus Opabinia, new genus

Genus Leanchoilia, new genus

Genus Yohoia, new genus

Genus Bidentia, new genus

Order Notostraca Calman

Family Naraoidæ, new family

Genus Naraoia, new genus

Family Burgessidæ, new family

Genus Burgessia, new genus

Family (Undetermined)

Genus Anomalocaris Whiteaves

Family Waptidæ, new family

Genus Waptia, new genus

Sub-Class Malacostraca

Order Hymenocarina Clarke

Family Hymenocaridae Salter

Genus Hymenocaris Salter

Family (Undetermined)

Genus Hurdia, new genus

Genus Tuzoia, new genus

Genus Odaraia, new genus

Genus Fieldia, new genus

Genus Carnarvonia, new genus

Sub-Class Trilobita

Order (Undetermined)

Family Marrellidæ, new family

Genus Marrella, new genus

Family (Undetermined)

Genus Nathorstia, new genus

Order Hypoparia Beecher

Family (Undetermined)

Genus Mollisonia, new genus

Genus Tontoia, new genus