Phylogeny of the Jurassic to Early Cretaceous ‘disasteroid’ echinoids (Echinoidea; Echinodermata) and the origins of spatangoids and holasteroids

C. G. Barras

2007

Article

Journal of Systematic Palaeontology 5(2):133-161

Find it at:

http://dx.doi.org/10.1017/S147720190600201X

Taxa discussed in this work:

• Aulacopygus
• Dyaster
• Dysaster
• Eoholaster
• Orbigniana
• Smithiaster
• Smithiaster loryi

Taxonomy:

• Smithiaster belongs to Holasteroida - Barras (2007)
• Smithiaster loryi belongs to Smithiaster - Barras (2007)
• Tetraromania belongs to Tithoniidae - Barras (2007)
• Orbigniana belongs to Atelostomata - Barras (2007)
• Eoholaster belongs to Holasteroida - Barras (2007)
• Aulacopygus belongs to Atelostomata - Barras (2007)
• Aulacopygus caudatus belongs to Aulacopygus - Barras (2007)
• Tithonia belongs to Tithoniidae - Barras (2007)
• Menopygus belongs to Desorellidae - Barras (2007)
• Infraclypeus belongs to Desorellidae - Barras (2007)
• Desorella belongs to Desorellidae - Barras (2007)
• Galeropygus belongs to Galeropygidae - Barras (2007)
• Heteraster belongs to Toxasteridae - Barras (2007)
• Pseudholaster belongs to Holasteroida - Barras (2007)
• Toxaster belongs to Toxasteridae - Barras (2007)