Spiriferina betacalcis (FPJ 20720)
Spiriferina betacalcis (QUENSTEDT)
FPJ 20720
Staffelegg-Formation
Fasiswald-Member
Jamesoni-Zone
Jamesoni-Subzone
Lias, frühes Pliensbachien
15mm x 11mm
(1) Dorsalansicht
(2) Ventralansicht
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