- yunnanozoan,
Haikouella described from the same
deposits as Yannonzoon, with the
species Haikouella lanceolata. A
second species of the
genus Haikouella jianshanensis...
- the
earlier Cambrian, was a
hemichordate or chordate.
Another fossil,
Haikouella lanceolata, also from the
Chengjiang fauna, is
interpreted as a chordate...
-
Basal member †Pikaia
Cephalochordate †Cathaymyrus
Lancelet Olfactores †
Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia) †Zhongxiniscus...
-
Agnatha by Janvier. A
third possible agnathan from the same
region is
Haikouella. A
possible agnathan that has not been
formally described was reported...
-
Basal member †Pikaia
Cephalochordate †Cathaymyrus
Lancelet Olfactores †
Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia) †Zhongxiniscus...
-
immediate precraniate precursors. The
precraniate crest animals, such
Haikouella and Yunnanozoon, are all
extinct and
found only in
Early Cambrian strata...
-
Basal member †Pikaia
Cephalochordate †Cathaymyrus
Lancelet Olfactores †
Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia) †Zhongxiniscus...
-
olfactores and
vertebrates are:
Yunnanozoon (Terrenuevian;
junior synonym:
Haikouella)
Zhongxiniscus (Cambrian
Stage 3)
Metaspriggina (Middle Cambrian) Palaeospondylus...
- the Priapulida,
bears pharyngeal teeth.
Fossils of the
Yunnanozoon and
Haikouella possess pharyngeal teeth. The
lower pharyngeal bones of
cichlids also...
-
Basal member †Pikaia
Cephalochordate †Cathaymyrus
Lancelet Olfactores †
Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia) †Zhongxiniscus...
