Luohuilinella

Luohuilinella; Temporal range: Cambrian stage 3 PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
(unranked):	†Artiopoda
Subphylum:	†Trilobitomorpha
(unranked):	†Xandarellida
Genus:	†Luohuilinella; Zhang et al. 2012
Type species
	Luohuilinella rarus; Zhang et al. 2012
Other species
	Luohuilinella deletres Hou et al, 2018

Luohuilinella is an extinct genus of xandarellid artiopodan arthropod known from the Chengjiang biota of China. The type species Luohuilinella rarus was described in 2012.^[1] A second species Luohuilinella deletres was described in 2018.^[2] Both taxa are rare components of the assemblage. Like other Xandarellids and most artiopodans, it possessed an unmineralised exoskeleton. The type and currently only known specimen of L. rarus is known from a dorsal exoskeleton, around 17 mm long and 9 mm wide which consists of 27 tergites with pronounced pleural spines. L. deletres is much larger, with specimens being over 10 cm long, L. deletres possessed at least 11 pairs of biramous appendages. Both taxa are dorsoventrally flattened, making a benthic or nektobenthic lifestyle probable. Both taxa have pronounced notches in the cephalon to accommodate the stalked eyes.

References[edit]

^ Zhang, Xingliang; Fu, Dongjing; Dai, Tao (May 2012). "A new xandarellid arthropod from the Chengjiang Lagerstätte, Lower Cambrian of Southwest China". Geobios. 45 (3): 335–338. doi:10.1016/j.geobios.2011.09.001. ISSN 0016-6995.
^ Hou, Xianguang; Williams, Mark; Sansom, Robert; Siveter, Derek J.; Siveter, David J.; Gabbott, Sarah; Harvey, Thomas H. P.; Cong, Peiyun; Liu, Yu (2018-12-03). "A new xandarellid euarthropod from the Cambrian Chengjiang biota, Yunnan Province, China". Geological Magazine. 156 (8): 1375–1384. doi:10.1017/s0016756818000730. hdl:2381/43477. ISSN 0016-7568. S2CID 134172728.

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[1] Zhang, Xingliang; Fu, Dongjing; Dai, Tao (May 2012). "A new xandarellid arthropod from the Chengjiang Lagerstätte, Lower Cambrian of Southwest China". Geobios. 45 (3): 335–338. doi:10.1016/j.geobios.2011.09.001. ISSN 0016-6995.

[2] Hou, Xianguang; Williams, Mark; Sansom, Robert; Siveter, Derek J.; Siveter, David J.; Gabbott, Sarah; Harvey, Thomas H. P.; Cong, Peiyun; Liu, Yu (2018-12-03). "A new xandarellid euarthropod from the Cambrian Chengjiang biota, Yunnan Province, China". Geological Magazine. 156 (8): 1375–1384. doi:10.1017/s0016756818000730. hdl:2381/43477. ISSN 0016-7568. S2CID 134172728.

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