Habeliida

Habeliida Temporal range:
File:Habelia reconstruction from Aria & Caron 2017 modified.png
Habelia
File:20191019 Sanctacaris uncata.png
Sanctacaris
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Order:	†Habeliida Aria and Caron, 2017
Families
†Habeliidae †Habelia †Sanctacarididae †Sanctacaris †Utahcaris †Wisangocaris †Messorocaris?

File:Wisangocaris.png

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. Messorocaris has been suggested to be part of the order in some studies, but this is uncertain. They are suggested to be stem-group chelicerates, though they lack the chelicerae present in true chelicerates.

Cladogram after O’Flynn et al, 2023:

Total group Arthropoda

"Gilled lobopodians" (Pambdelurion, Kerygmachela)File:20191022 Kerygmachela kierkegaardi without lobopods.png Opabinia File:20191108 Opabinia regalis.png Radiodonta (e.g Anomalocaris) File:20191203 Anomalocaris canadensis.png Deuteropoda Kylinxia File:20210310 Kylinxia zhangi.png Fengzhengia File:Fengzhengia.png Kiisortoqia File:Kiisortoqia.png Bushizheia File:Bushizheia.png Megacheira File:20191020 Yohoia tenuis.png Habeliida File:Habelia reconstruction from Aria & Caron 2017 modified.png Mollisonia File:20191003 Mollisonia plenovenatrix side.png Chelicerata (horseshoe crabs, sea spiders, arachnids, etc) File:20200813 Lunataspis aurora.png "Great appendage bivalved forms" (Occacaris, Forfexicaris) Isoxyida File:Artistic reconstruction of Isoxys curvirostratus.jpg Artiopoda (including Trilobita) File:Estonian Museum of Natural History - trilobite - Hydrocephalus.png Mandibulata Fuxianhuiida File:20211117 Alacaris mirabilis.png Myriapoda (millipedes, centipedes, etc) File:Scolopendra multidens 広西省産.jpg Hymenocarina File:20211025 Waptia fieldensis.png Pancrustacea (crustaceans, insects, etc)