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Bailongia

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Bailongia
Temporal range: Cambrian Stage 4
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
(unranked): Artiopoda
Genus: Bailongia
Jiao et al. 2021
Species:
B. longicaudata
Binomial name
Bailongia longicaudata
Jiao et al. 2021

Bailongia is an extinct genus of arthropod known from a single species Bailongia longicaudata (longicaudata from Latin: "long-tailed") found in the Cambrian Stage 4 aged Guanshan Biota of Yunnan, China. It was around 5mm long and had a large head shield, nine overlapping tapering tergites and a relatively elongate tailspine. It has been recovered in a relatively basal position within Artiopoda, more derived than Squamacula or Protosutura, but outside Trilobitomorpha or Vicissicaudata.[1]

Phylogeny

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After Jiao et al. 2021.[1]

Artiopoda 

Squamacula clypeata

Protosutura 

Bailongia longicaudata

Trilobitomorpha 
Vicissicaudata 

References

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  1. ^ a b Jiao, De-Guang; Du, Kun-Sheng; Zhang, Xi-Guang; Yang, Jie; Eggink, Daniel (May 2022). "A new small soft-bodied non-trilobite artiopod from the Cambrian Stage 4 Guanshan Biota". Geological Magazine. 159 (5): 730–734. doi:10.1017/S0016756821001254. ISSN 0016-7568. S2CID 245238634.