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Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Coleoidea
Superorder: Decapodiformes
Order: Spirulida?
Family: Shimanskyidae
Doguzhaeva, Mapes & Mutvei, 1999
Genus: Shimanskya
Doguzhaeva, Mapes & Mutvei, 1999
  • Shimanskya postremus
    (Miller, 1930)
  • Bactrites postremus
    Miller, 1930

Shimanskya is a late Carboniferous fossil tentatively interpreted as an early spirulid.[1] However it lacks any clearly diagnostic characters and its affinity is best considered to lie in an unresolved stem group.[2]


  1. ^ Strugnell, J.; Jackson, J.; Drummond, A. J.; Cooper, A. (2006). "Divergence time estimates for major cephalopod groups: evidence from multiple genes". Cladistics. 22: 89–96. doi:10.1111/j.1096-0031.2006.00086.x. 
  2. ^ Warnke, K; Plötner, J; Santana, JI; Rueda, MJ; Llinas, O (2003). "Reflections on the phylogenetic position of Spirula (Cephalopoda): preliminary evidence from the 18S ribosomal RNA gene" (PDF). Berliner Paläobiologische Abhandlungen. 3: 253–260.