Table 5 Septal slope factor (short: slope) and intercept of ammonoid families covered in this study
Family | Slope | Intercept |
|---|---|---|
Arcestidae | 0.0048 | − 0.0639 |
Arietitidae | 0.0012 | 0.0973 |
Asteroceratidae | 0.0019 | 0.0019 |
Cladiscitidae | 0.0123 | − 0.1236 |
Cleoniceratidae | 0.0028 | − 0.0237 |
Dactylioceratidae | 0.0027 | − 0.0397 |
Desmoceratidae | 0.0078 | − 0.0345 |
Graphoceratidae | 0.0013 | 0.0397 |
Hildoceratidae | 0.0064 | − 0.0103 |
Lytoceratidae | 0.0085 | − 0.0388 |
Macrocephalitidae | 0.0041 | − 0.027 |
Perisphinctidae | 0.0037 | − 0.0191 |
Phylloceratidae | 0.0068 | − 0.0076 |
Psiloceratidae | 0.0041 | 0.0218 |
Schlotheimiidae | 0.0036 | − 0.0065 |