Mutotylaspis

Mutotylaspis Temporal range: Lower Cretaceous (Albian), ~110  Ma [1] PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
Infraorder:	Anomura
Family:	Probeebeidae
Genus:	† Mutotylaspis Fraaije, Mychko, Barsukov & Jagt, 2023 [2]
Type species
† Mutotylaspis tripudium Fraaije, Mychko, Barsukov & Jagt, 2023 [2]

Mutotylaspis is an extinct monotypic genus of probeebeid hermit crabs that lived in Russia's Vladimir Oblast ^[1] during the Albian stage of the Lower Cretaceous Epoch ^[1] , and the only extinct genus in the Probeebeidae family ^{[2] [1]} . The name "Mutotylaspis" is a reference to the MUTOs, giant monsters (kaijus) that appeared in the movie Godzilla (2014) ^[1] . Its type and only species is Mutotylaspis tripudium .

Species

• † Mutotylaspis tripudium Fraaije, Mychko, Barsukov & Jagt, 2023 ^[2]

References

1. Fraaije, René H.B.; Mychko, Eduard V.; Barsukov, Leonid S.; Jagt, John W.M. (February 2024). "A new mid-Cretaceous hermit crab (Crustacea, Anomura) from Central Russia sheds new light on paguroid evolution". Cretaceous Research. 154: 105749. doi:10.1016/j.cretres.2023.105749 . Retrieved 20 August 2025.
2. De Grave, Sammy (2023). Lemaitre R, McLaughlin P (eds.). "Mutotylaspis Fraaije, Mychko, Barsukov & Jagt, 2023". World Paguroidea & Lomisoidea Database. World Register of Marine Species . Retrieved 20 August 2025.