The affinities of Liassic and later ichthyosaurs

R. M. Appleby

1979

Article

Palaeontology 22(4):921-946

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Taxa discussed in this work:

• Heteropinnatoidea
• Mixosauroidea
• Protoichthyosauridae
• Protoichthyosaurus
• Protoichthyosaurus prosostealis
• Protoichthyosaurus prostaxalis

Taxonomy:

• Latipinnatoidea belongs to Ichthyopterygia - Appleby (1979)
• Heteropinnatoidea belongs to Ichthyopterygia - Appleby (1979)
• Protoichthyosauridae belongs to Heteropinnatoidea - Appleby (1979)
• Protoichthyosaurus prostaxalis belongs to Protoichthyosaurus - Appleby (1979)
• Protoichthyosaurus prosostealis belongs to Protoichthyosaurus - Appleby (1979)
• Leptopterygiidae belongs to Heteropinnatoidea - Appleby (1979)
• Mixosauroidea belongs to Ichthyopterygia - Appleby (1979)