Schnecke
Read MoreOriginal caption: Ammonite fossil. Ammonites are extinct marine invertebrates. They first appeared in the Late Silurian to Early Devonian period (around 400 million years ago) and became extinct at the end of the Cretaceous period (65 million years ago). --- Image by © Gavin Kingcome/Science Photo Library/Corbis
Schnecke No. nautilus_cut_11496.tif
Nautilus shell. Close-up of a sectioned shell of a nautilus (Nautilus pompilius), showing the spiral structure and chambers of mother-of-pearl (nacreous). The nautilus is a marine cephalopod related to the squid, which inhabits the Indo- Pacific region.
Schnecke No. nautilus_cu11518.tif
Nautilus shell. Close-up artwork of a sectioned shell of a nautilus (Nautilus pompilius), showing the spiral structure and chambers of mother-of-pearl (nacreous). The nautilus is a marine cephalopod related to the squid, which inhabits the Indo- Pacific region.
Schnecke No. nautilus_cut_11517.tif
Nautilus shell. Close-up artwork of a sectioned shell of a nautilus (Nautilus pompilius), showing the spiral structure and chambers of mother-of-pearl (nacreous). The nautilus is a marine cephalopod related to the squid, which inhabits the Indo- Pacific region.