Meiourogonyaulax borealis

borealis Sarjeant, 1980b, p.123–124.  Holotype: Sarjeant, 1972, pl.5, fig.3; text-fig.5, as Meiourogonyaulax decapitata.  Originally (and now) Meiourogonyaulax, subsequently Lithodinia.  This species is here retained in Meiourogonyaulax following the retention of the genus by Riding and Helby (2001d, p.81,83).  Taxonomic junior synonym: Lithodinia arktika, according to Riley and Fenton (1982, p.200).  Age: late Bathonian.

Parent: Meiourogonyaulax