_Foraminifera_, minute chambered shells like the Nummulite.
_Spongida_, Sponges.
_Hydrozoa_, Graptolites, etc.
_Actinozoa_, Corals.
_Echinodermata_, Sea-urchins, Stone-lilies, Starfish, etc.
_Annelida_, Worm tracks.
_Crustacea_, Trilobites, Crabs, etc.
_Arachnida_, Scorpions and Spiders.
_Myriapoda_, Centipedes.
_Insecta_, Beetles, Butterflies, etc.
_Polyzoa_ (_Bryozoa_) or Moss Animals.
_Brachiopods_, Lampshells.
{ _Lamellibranchiata_, Bivalves.
_Mollusca_ { _Gasteropoda_, Univalves.
{ _Cephalopoda_, Cuttlefish, Ammonites.