TY  - JOUR
A1  - Flower, R. H.
DO  - 10.1007/bf02990328
JO  - Paläontologische Zeitschrift
SP  - 79
EP  - 87
C1  - 58(1-2): 79-87
TI  - New species and structures in the Narthecoceratidae (Nautiloidea, Orthocerida)
UR  - https://doi.org/10.1007/BF02990328
VL  - 58
PY  - 1984
Y2  - 2026-08-10
ER  -