Houcaris
Houcaris Temporal range:
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Frontal appendage of H. saron | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | †Dinocaridida |
Order: | †Radiodonta |
Genus: | †Houcaris Wu, Fu, Ma, Lin, Sun, & Zhang, 2021 |
Type species | |
Houcaris saron (Hou, Bergström, & Ahlberg, 1995)
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Referred species | |
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Houcaris is a genus of tamisiocarididid radiodonts known from Cambrian Series 2 of China and the United States. It contains two species, Houcaris saron and Houcaris magnabasis, both of which were originally named as species of the related genus Anomalocaris.[1][2] The genus Houcaris was established for the two species in 2021 and honors Hou Xianguang, who had discovered and named the type species H. saron in 1995 along with his colleagues Jan Bergström and Per E. Ahlberg.[3]
Species
Houcaris saron
H. saron, known from Maotianshan Shale in Yunnan, is first described in 1995 as Anomalocaris saron.[3] This species is only known from frontal appendages. There is a specimen (ELRC 20001) that is previously considered as whole body fossil of this species,[3] but later study shows that this specimen is not belonging to this species, and considered as unnamed species of Anomalocaris.[4][5] Length of frontal appendage is up to at least 12 cm.[1] Sometimes considered to belong to family Anomalocarididae[6][7] or Amplectobeluidae.[8][9]
Houcaris magnabasis
H. magnabasis, known from Pioche Shale and Pyramid shale in Nevada, is originally described as Anomalocaris cf. saron in 2003,[10] and later named as Anomalocaris magnabasis in 2019.[2] This species is only known from frontal appendages and some partial fossils of oral cone (mouthpart) and flaps.[2] Largest estimated length of frontal appendage is 17.5 cm.[2] Sometimes considered to belong to family Anomalocarididae[6][7] or Amplectobeluidae.[8][9]
References
- ^ a b Wu, Yu; Fu, Dongjing; Ma, Jiaxin; Lin, Weiliang; Sun, Ao; Zhang, Xingliang (2021). "Houcaris gen. nov. from the early Cambrian (Stage 3) Chengjiang Lagerstätte expanded the palaeogeographical distribution of tamisiocaridids (Panarthropoda: Radiodonta)". PalZ. doi:10.1007/s12542-020-00545-4. ISSN 1867-6812.
- ^ a b c d Pates, Stephen; Daley, Allison C.; Edgecombe, Gregory D.; Cong, Peiyun; Lieberman, Bruce S. (2019). "Systematics, preservation and biogeography of radiodonts from the southern Great Basin, USA, during the upper Dyeran (Cambrian Series 2, Stage 4)". Papers in Palaeontology. Xi‐Guang Zhang (ed.): –2.1277. doi:10.1002/spp2.1277. ISSN 2056-2802.
- ^ a b c Hou, Xian-Guang; Bergström, Jan; Ahlberg, Per (1995). "Anomalocaris and other large animals in the lower Cambrian Chengjiang fauna of southwest China". GFF. 117 (3): 163–183. doi:10.1080/11035899509546213. ISSN 1103-5897.
- ^ Zeng, Han; Zhao, Fangchen; Niu, Kecheng; Zhu, Maoyan; Huang, Diying (2020). "An early Cambrian euarthropod with radiodont-like raptorial appendages". Nature. 588 (7836): 101–105. doi:10.1038/s41586-020-2883-7. ISSN 1476-4687.
- ^ Moysiuk, Joseph; Caron, Jean-Bernard (2021). "Exceptional multifunctionality in the feeding apparatus of a mid-Cambrian radiodont". Paleobiology. 47 (4): 704–724. doi:10.1017/pab.2021.19. ISSN 0094-8373.
- ^ a b Van Roy, Peter; Daley, Allison C.; Briggs, Derek E. G. (2015). "Anomalocaridid trunk limb homology revealed by a giant filter-feeder with paired flaps". Nature. 522 (7554): 77–80. doi:10.1038/nature14256. ISSN 1476-4687.
- ^ a b Liu, Jianni; Lerosey-Aubril, Rudy; Steiner, Michael; Dunlop, Jason A; Shu, Degan; Paterson, John R (2018-11-01). "Origin of raptorial feeding in juvenile euarthropods revealed by a Cambrian radiodontan". National Science Review. 5 (6): 863–869. doi:10.1093/nsr/nwy057. ISSN 2095-5138.
- ^ a b Vinther, Jakob; Stein, Martin; Longrich, Nicholas R.; Harper, David A. T. (2014). "A suspension-feeding anomalocarid from the Early Cambrian". Nature. 507 (7493): 496–499. doi:10.1038/nature13010. ISSN 1476-4687.
- ^ a b Lerosey-Aubril, Rudy; Pates, Stephen (2018-09-14). "New suspension-feeding radiodont suggests evolution of microplanktivory in Cambrian macronekton". Nature Communications. 9 (1): 3774. doi:10.1038/s41467-018-06229-7. ISSN 2041-1723.
- ^ Lieberman, Bruce S. (2003). "A new soft-bodied fauna: The Pioche Formation of Nevada". Journal of Paleontology. 77 (4): 674–690. doi:10.1666/0022-3360(2003)077<0674:ANSFTP>2.0.CO;2. ISSN 0022-3360.