Trinucleioidea

Trinucleioidea
Temporal range: Furongian–Silurian
Cryptolithoides ulrichi, a trilobite in the family Trinucleidae
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: †Trilobita
Order: †Asaphida
Superfamily: †Trinucleioidea
Families

See text

Trinucleioidea is a superfamily of trilobites. Traditionally placed within the Asaphida, it is now sometimes considered its own order, Trinucleida.[1][2]

Damghanampyx ghobadipour fossil from Lashkark Formation, Ordovician, Damghan, Iran
  1. ^ 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.
  2. ^ "TRILOBITE ORDER TRINUCLEIDA FACT SHEET". www.trilobites.info.