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†Kenyaichthyidae fam. nov. and †Kenyaichthys gen. nov. – First Record of a Fossil Aplocheiloid Killifish (Teleostei, Cyprinodontiformes)

Fig 13

Intraspecific variation in the number of preural vertebrae in Nothobranchius orthonotus (MRAC A4-039-P-0133-0134).

A Four preural vertebrae; B five preural vertebrae © Royal Museum for Central Africa Tervuren (Belgium). Abbreviations: ep, epural; hs2–5, haemal spine of preural vertebrae 2–5; hy 1-n, hypural plates 1–n; ns2–5, neural spine of preural vertebrae 2–5; phy, parhypural.

Fig 13