Thelxiope

Thelxiope is a genus of Cambrian and Ordovician arthropod. Four named species are known, the type species T. palaeothalassia is known from the Burgess Shale, Canada^[1] T. holmani is from the Wheeler Shale of Utah, Thelxiope tangi from the Linyi Lagerstätte of Shandong, China, and T. spinosa, which is known from both the Linyi Lagerstätte and the Wheeler Shale. An indeterminate species is also known from the Ordovician (Floian) Fezouata Formation in Morocco.^[2][3] It is a member of Mollisoniida, alongside close relatives Mollisonia and Corcorania. They are suggested to be stem-chelicerates.^[3]

Phylum:Arthropoda

Subphylum:Chelicerata

Order:†Mollisoniida

Genus:†Thelxiope
Simonetta & Delle Cave, 1975

Quick facts Scientific classification, Type species ...

Thelxiope Temporal range: Cambrian Stage 5–Floian PreꞒ Ꞓ O S D C P T J K Pg N
Fossil and illustration of Thelxiope tangi
Life restoration of Thelxiope spinosa
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Order:	†Mollisoniida
Genus:	†Thelxiope Simonetta & Delle Cave, 1975
Type species
Thelxiope palaeothalassia Simonetta & Delle Cave, 1975
Other species
Thelxiope holmani Lerosey-Aubril, Skabelund and Ortega-Hernández, 2020 Thelxiope spinosa (Conway Morris & Robison, 1988) Thelxiope tangi Sun. et al. 2022
Synonyms
Ecnomocaris Conway Morris & Robison, 1988

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