multicellular life. The type species, Haikouichthys ercaicunensis, was first described in 1999. Haikouichthys had a defined skull and other characteristics...

†Myllokunmingiidae Shu, 2003 Genus †Haikouichthys Luo, Hu & Shu 1999 sensu Shu et al., 2003 Species †Haikouichthys ercaicunensis Luo, Hu & Shu 1999 sensu...

China. Some researchers have considered the other primitive chordate Haikouichthys to be synonymous with this taxon, but subsequent studies led by the...

possibly eyes—although it also had short tentacles round its mouth. Haikouichthys and Myllokunmingia, also from the Chengjiang fauna, are regarded as...

animals with a notochord and eyes at the front of the body, such as Haikouichthys, appear in the fossil record. During the late Cambrian, other jawless...

intermediate form between Cathaymyrus and two vertebrates Haikouichthys and Myllokunmingia. Haikouichthys ercaicunensis looks like Myllokunmingia with which...

(January 2003). "Head and backbone of the Early Cambrian vertebrate Haikouichthys". Nature. 421 (6922): 526–529. Bibcode:2003Natur.421..526S. doi:10.1038/nature01264...

possible cephalochordate Cathaymyrus and the two known vertebrates Haikouichthys and Myllokunmingia, Zhongxiniscus resembles Cathaymyrus in having S-shaped...

lineages belong to the Agnatha, or jawless fish. Early examples include Haikouichthys. During the late Cambrian, eel-like jawless fish called the conodonts...

as Helicoplacus. Two other Cambrian Stage 3 (521-514 mya) species, Haikouichthys and Myllokunmingia from the Chengjiang biota, are the earliest bodyfossils...

†Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia) †Zhongxiniscus? Jawless fish Jawed fish Lists Lists...

et al. (2003). "Head and backbone of the Early Cambrian vertebrate Haikouichthys". Nature. 421 (6922): 526–529. Bibcode:2003Natur.421..526S. doi:10.1038/nature01264...

notochords are present in several basal chordates such as Haikouella, Haikouichthys, and Myllokunmingia, all from the Cambrian. The Ordovician oceans included...

explosion, the Chengjiang fossils Haikouichthys and Myllokunmingia appear to be true vertebrates, and Haikouichthys had distinct vertebrae, which may...

H.-Q. (2003), "Head and backbone of the Early Cambrian vertebrate Haikouichthys", Nature, 421 (6922): 526–29, Bibcode:2003Natur.421..526S, doi:10.1038/nature01264...

seemingly quite different from modern life; examples are Anomalocaris and Haikouichthys. More recently, however, these seem to have found a place in modern...

Chengjiang biota and lived about 518 million years ago. These include Haikouichthys, Myllokunmingia, Zhongjianichthys, and probably Haikouella. Unlike the...

†Haikouichthys †Myllokunmingia...

primitive agnathid (i.e., jawless fish). Similar to Myllokunmingia is Haikouichthys ercaicunensis, another primitive fish-like animal. The enigmatic Yunnanozoon...

found in Jianshan, near Haikou, Qiongzhusi Fm. (Cambrian from China). Haikouichthys paleontology portal Sébastien Clausen; Xian-Guang Hou; Jan Bergström;...

(January 2003). "Head and backbone of the Early Cambrian vertebrate Haikouichthys". Nature. 421 (6922): 526–529. Bibcode:2003Natur.421..526S. doi:10.1038/nature01264...

†Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia) †Zhongxiniscus? Jawless fish Jawed fish Lists Lists...

considering its placement within Chordata uncertain. Maotianshan shales Haikouichthys Myllokunmingia Yang, C.; Li, X.-H.; Zhu, M.; Condon, D. J.; Chen, J...

†Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia) †Zhongxiniscus? Jawless fish Jawed fish Lists Lists...

gills are known from the early Cambrian Maotianshan shales of China: Haikouichthys and Myllokunmingia. They have been tentatively assigned to Agnatha by...

†Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia) †Zhongxiniscus? Jawless fish Jawed fish Lists Lists...

†Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia) †Zhongxiniscus? Jawless fish Jawed fish Lists Lists...

†Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia) †Zhongxiniscus? Jawless fish Jawed fish Lists Lists...

Tunicate, and Craniata clades are as reported. Haikouella, extinct genus Haikouichthys, extinct genus Yang, Chuan; Li, Xian-Hua; Zhu, Maoyan; Condon, Daniel...

†Cathaymyrus Lancelet Olfactores †Haikouella Tunicate †Myllokunmingiidae? (†Haikouichthys, †Myllokunmingia) †Zhongxiniscus? Jawless fish Jawed fish Lists Lists...