Ammonite art by Haeckel (circa 1904)

The 44th plate from Ernst Haeckel's Kunstformen der Natur of 1904, showing a collection of ammonites.

Species:
Ammonites (Cardioceras) cordatus (Quenstedt)
Ammonites (Cardioceras) cordatus (Quenstedt)
Ammonites (Schloenbachia) Coupei (Brogniart)
Ammonites (Schloenbachia) Coupei (Brogniart)
Ammonites (Ptychites) opulentus (Mojsisovich)
Ammonites (Ptychites) opulentus (Mojsisovich)
Ammonites (ornatus) mammillaris (Schlotheim)
Ammonites (planulatus) caverosus (Quenstedt)
Ammonites (amaltheus) rotula (Schlotheium)
Ammonites (stephanoceras) Humphryi (Sowerby)

Numbering schema below