Amiella Walcott, 1911 † (extant flag source)
Amiskwia Walcott, 1911 † (habitat flag source)
Amiskwia Walcott, 1911 † (extant flag source)
Aysheaia Walcott, 1911 † (extant flag source)
Aysheaia Walcott, 1911 † (habitat flag source)
Banffia Walcott, 1911 † (extant flag source)
Canadia Walcott, 1911 † (extant flag source)
Chuangia Walcott, 1911 † (extant flag source)
Coosia Walcott, 1911 † (extant flag source)
Eldonia Walcott, 1911 † (extant flag source)
Emmrichella Walcott, 1911 † (extant flag source)
Inouyia Walcott, 1911 † (extant flag source)
Laggania Walcott, 1911 † accepted as Peytoia Walcott, 1911 † (extant flag source)
Levisia Walcott, 1911 † (extant flag source)
Lisania Walcott, 1911 † (extant flag source)
Louisella Walcott, 1911 † (extant flag source)
Mackenzia Walcott, 1911 † (extant flag source)
Miskoia Walcott, 1911 † (habitat flag source)
Miskoia Walcott, 1911 † (extant flag source)
Oesia Walcott, 1911 † (extant flag source)
Oesia Walcott, 1911 † (habitat flag source)
Ottoia Walcott, 1911 † (extant flag source)
Peytoia Walcott, 1911 † (extant flag source)
Pikaia Walcott, 1911 † (extant flag source)
Pollingeria Walcott, 1911 † (habitat flag source)
Pollingeria Walcott, 1911 † (extant flag source)
Selkirkia Walcott, 1911 † (extant flag source)
Sidneyia Walcott, 1911 † (extant flag source)
Wiwaxia Walcott, 1911 † (extant flag source)
Wiwaxia Walcott, 1911 † (habitat flag source)
Worthenella Walcott, 1911 † (habitat flag source)
Worthenella Walcott, 1911 † (extant flag source)