Trinucleioidea
| Trinucleioidea Temporal range:
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|---|---|
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| Cryptolithoides ulrichi, a trilobite in the family Trinucleidae | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Asaphida |
| Superfamily: | †Trinucleioidea |
| Families | |
Trinucleioidea is a superfamily of trilobites. Traditionally placed within the Asaphida, it is now sometimes considered its own order, Trinucleida.[1][2]
Taxonomy[edit]
There are five families in the super family; they are the: Alataspididae, Dionididae, Liostracinidae, Raphiophoridae, and Trinucleidae
Families and genera[edit]
Alsataspididae: Ajrikina, Alataupleura, Araiopleura, Calycinoidia, Caputrotundum, Clavatellus, Falanaspis, Hapalopleura, Huamiaocephalus, Jegorovaia, Jiangxiaspis, Orometopus, Pagometopus, Palquiella, Paracalymenemene, Plesioparabolina, Pyrimetopus, Rhadinopleura, Seleneceme, Sibiriopleura, Skljarella, Spirantyx, Trigocephalus, Yumenaspis, Zacompsus.
Dionididae: Aethedionide, Digrypos, Dionide, Dionideina, Dionidella, Huangnigangia, Paradionide, Tongxinaspis, Trinucleoides.
Liostracinidae: Aplexura, Doremataspis, Liostracina, Lynaspis.
Raphiophoridae: Ampyx, Ampyxella, Ampyxina, Ampyxinella, Ampyxoides, Anisonotella, Bulbaspis, Caganaspis, Carinocranium, Cerampyx, Cnemidopyge, Collis, Edmundsonia, Ellsaspis, Endymionia, Globampyx, Jiuxiella, Kanlingia, Lonchodomas, Malinaspis, Malongullia, Mendolaspis, Metalonchodomas, Miaopopsis, Nambeetella, Nanshanaspis, Parabulbaspis, Parampyx, Pseudampyxina, Pytine, Raphioampyx, Raphiophorus, Raymondella, Rhombampyx, Salteria, Sinampyxina, Sinoluia, Taklamakania.
Trinucleidae: Anebolithus, Australomyttonia, Bancroftolithus, Bergamia, Bettonolithus, Botrioides, Broeggerolithus, Costonia, Cryptolithoides, Cryptolithus, Deanaspis, Declivolithus, Decordinaspis, Eirelithus, Famatinolithus, Furcalithus, Guandacolithus, Gymnostomix, Hanchungolithus, Huenickenolithus, Incaia, Jianxilithus, Lloydolithus, Lordshillia, Marekolithus, Marrolithoides, Marrolithus, ?Microdiscus, Myinda, Myindella, Myttonia, Nankinolithus, Ningkianolithus, Novaspis, Onnia, Paratretaspis, Paratrinucleus, Parkesolithus, Pragolithus, Protoincaia, Protolloydolithus, Reedolithus, Reuscholithus, Salterolithus, Stapeleyelta, Telaeomarrolithus, Tetrapsetlium, Tretaspis, Trinucleus, Whittardolithus, Xiushuilithus, Yinpanolithus.[2]
References[edit]
- ^ Bignon, Arnaud; Waisfield, Beatriz G.; Vaccari, Emilio; Chatterton, Brian D. E. (2020). "Reassessment of the Order Trinucleida (Trilobita)". Journal of Systematic Palaeontology. 18 (13): 1061–1077. Bibcode:2020JSPal..18.1061B. doi:10.1080/14772019.2020.1720324. S2CID 212995185.
- ^ a b "Order Trinucleida".