People / Helmut Krock
Helmut Krock Samples from Helmut Krock's collection: Ceratosiphon cf. bicarinata (Deshayes in Leymerie, 1842); Hauterivian?, Barremian?, lower Cretaceous; Ziegelei Moorberg, Sarstedt, Hildesheim district, Lower Saxony State, Germany; Coll. Helmut Krock Ceratosiphon cf. bicarinata (Deshayes in Leymerie, 1842); Hauterivian?, Barremian?, lower Cretaceous; Ziegelei Moorberg, Sarstedt, Hildesheim district, Lower Saxony State, Germany; Coll. Helmut Krock |