Leanchoilia
| Leanchoilia Temporal range:
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|---|---|
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| Leanchoilia superlata | |
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| Reconstruction of Leanchoilia superlata | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Megacheira |
| Order: | †Leanchoilida Størmer, 1944 |
| Family: | †Leanchoiliidae Raymond, 1935 |
| Genus: | †Leanchoilia Walcott, 1912 |
| Species | |
|
Leanchoilia superlata Walcott, 1912 (type) | |
Leanchoilia is an megacheiran arthropod known from Cambrian deposits of the Burgess Shale in Canada and the Chengjiang biota of China.[1] It was about 5 centimetres (2.0 in) long and had long, whip-like feelers mounted on frontal arm-like appendages. Its internal organs are occasionally preserved within the substrate in three dimensions.[2][3]
Seven species are tentatively accepted today: L. superlata (the type species), L. persephone and L. protogonia from the Burgess Shale, L. illecebrosa and L. obesa from the Chengjiang biota, ''L. robisoni from Kaili, and L.? hanceyi from the Spence Shale. L. superlata and L. persephone may however be examples of sexual dimorphism.[4][5][6] 55 specimens of Leanchoilia are known from the Greater Phyllopod bed, where they comprise 0.1% of the community.[7]
References
- ^ "Burgess Shale: Leanchoilia superlata (an arthropod)". Smithsonian Institution National Museum of Natural History. Retrieved 6 July 2017.
- ^ Nicholas J. Butterfield (2002). "Leanchoilia guts and the interpretation of three-dimensional structures in Burgess Shale-type fossils". Paleobiology. 28 (1): 155–171. doi:10.1666/0094-8373(2002)028<0155:LGATIO>2.0.CO;2.
- ^ Brigitte Schoenemann & Euan N. K. Clarkson (2012). "The eyes of Leanchoilia". Lethaia. 45 (4): 524–531. doi:10.1111/j.1502-3931.2012.00313.x.
- ^ Diego C. García-Bellido & Desmond Collins (2007). "Reassessment of the genus Leanchoilia (Arthropoda, Arachnomorpha) from the Middle Cambrian Burgess Shale, British Columbia, Canada". Palaeontology. 50 (3): 693–709. doi:10.1111/j.1475-4983.2007.00649.x.
- ^ Liu, Yu; Hou, Xian-Guang; Bergström, J. (2007). "Chengjiang arthropod Leanchoilia illecebrosa (Hou, 1987) reconsidered". GFF. 129 (3): 263–272. doi:10.1080/11035890701293263.
- ^ He, Yu-Yang; Cong, Pei-Yun; Liu, Yu; Edgecombe, Gregory D.; Hou, Xian-Guang (2017). "Telson morphology of Leanchoiliidae (Arthropoda: Megacheira) highlighted by a new Leanchoilia from the Cambrian Chengjiang biota". Alcheringa: An Australasian Journal of Palaeontology. 41 (4): 581–589. doi:10.1080/03115518.2017.1320425.
- ^ Caron, Jean-Bernard; Jackson, Donald A. (October 2006). "Taphonomy of the Greater Phyllopod Bed community, Burgess Shale". PALAIOS. 21 (5): 451–65. doi:10.2110/palo.2003.P05-070R. JSTOR 20173022.
External links
- "Leanchoilia superlata". Burgess Shale Fossil Gallery. Virtual Museum of Canada. 2011.
Media related to Leanchoilia at Wikimedia Commons
Data related to Leanchoilia at Wikispecies- Leanchoilia illecebrosa Ancient Arthropod from Chengjiang The Virtual Fossil Museum
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