semiannudet1_s

This is an image for Transitions or A late “straight-fingered” survivor on an upper toarcian bed of belemnites ?.

Dactylioceras (Orthodactylites) cf. semiannulatum, Detail of ribbing

Dactylioceras (Orthodactylites) cf. semiannulatum, Detail of ribbing

Dactylioceras (Orthodactylites) cf. semiannulatum, Detail of ribbing

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