Family

Pondweed family

Plants

Rhynchocyclidae

Sciadopityaceae

Sclerotiniaceae

Fungus

Snapping shrimp

Animal

Spitting spider

St. John's-worts

Plants

Steropodontidae

Animal

Symbiodiniaceae

Algae

Tecophilaeaceae

Plants

Teratornithidae

Birds

Thylacosmilidae

Triconodontidae

Animal

Water-plantains

Plants

Whip-lash squid

Animal

Adapisoriculidae

Agassizodontidae

Fish

Anostostomatidae

Insect

Armored catfishes

Fish

Calliostomatidae

Animal

Cheiracanthiidae

Spider

Chrysobalanaceae

Plants

Circaeasteraceae

Plants

Cochlospermaceae

Condylocardiidae

Crossosomataceae

Plants

Daphniphyllaceae

Dipentodontaceae

Plants

Dipterocarpaceae

Plants

Distichodontidae

Fish

Heliotropioideae

Plants

Hydrocharitaceae

Plants

Lepidodendraceae

Plants

Limnocharitaceae

Plants

Many-plumed moths

Insect

Megalodontesidae

Muraenolepididae

Old World babbler

Birds

Onychorhynchidae

Birds

Ophiostomataceae

Fungus

Presbyornithidae

Prochilodontidae

Fish

Psittrichasiidae

Birds

Rhamphichthyidae

Rhinochimaeridae

Rhopalosomatidae

Insect

Rhynchocinetidae

Ringtail possums

Animal