Haikoucaris
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| Haikoucaris Temporal range: | |
|---|---|
 | |
| Fossil of Haikoucaris | |
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| Reconstruction of Haikoucaris | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Megacheira |
| Clade: | †Cheiromorpha |
| Genus: | †Haikoucaris Chen et al., 2004 |
| Species: | †H. ercaiensis |
| Binomial name | |
| †Haikoucaris ercaiensis Chen et al., 2004 | |
Haikoucaris is a genus of megacheiran arthropod that contains the single species Haikoucaris ercaiensis. It was discovered in the Cambrian Chengjiang biota of China.[1]
Haikoucaris measured about 38 mm in body length.[1] The elongated body compose of a semicircular head shield, 13 trunk tergites and presumely a short, spine-like telson.[1][2] The head possess a pair of unstalked eyes, a pair well-developed great appendages, as well as 3 more appendage pairs of unknown detail.[2] Each of the great appendage consists of a 2-segmented peduncle and a 3-segmented claw.[2] Each of the trunk segment possess a pair of biramus appendages that each comprising a leaf-shaped exopod and a possibly 7-segmented endopod.[2]
