| Habeliida Temporal range: | |
|---|---|
 | |
| Habelia | |
 | |
| Sanctacaris | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Subphylum: | Chelicerata |
| Order: | †Habeliida Aria and Caron, 2017 |
| Families | |
| |
Life restoration of Wisangocaris feeding on trilobites.
Habeliida is an order of extinct arthropods that existed during the middle Cambrian. It is divided into two families, Habeliidae (monotypic, containing only Habelia), and Sanctacarididae (containing Sanctacaris, Utahcaris and Wisangocaris). They are thought to have been durophagous, with robust gnathobases (spined basal sections of limbs) used to shred hard-shelled organisms. Remains of trilobites have been found as stomach contents in Wisangocaris.[1] Messorocaris has been suggested to be part of the order in some studies, but this is uncertain.[2] They are suggested to be stem-group chelicerates, though they lack the chelicerae present in true chelicerates.[3]
References
- ↑ Aria, Cédric; Caron, Jean-Bernard (21 Dec 2017). "Mandibulate convergence in an armoured Cambrian stem chelicerate". BMC Evolutionary Biology. 17 (1): 261. Bibcode:2017BMCEE..17..261A. doi:10.1186/s12862-017-1088-7. ISSN 1471-2148. PMC 5738823. PMID 29262772.
- ↑ Lerosey‐Aubril, Rudy; Kimmig, Julien; Pates, Stephen; Skabelund, Jacob; Weug, Andries; Ortega‐Hernández, Javier (November 2020). Zhang, Xi‐Guang (ed.). "New exceptionally preserved panarthropods from the Drumian Wheeler Konservat‐Lagerstätte of the House Range of Utah". Papers in Palaeontology. 6 (4): 501–531. doi:10.1002/spp2.1307. ISSN 2056-2799.
- ↑ Aria, Cédric (Oct 2022). "The origin and early evolution of arthropods". Biological Reviews. 97 (5): 1786–1809. doi:10.1111/brv.12864. ISSN 1464-7931.
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