Billingsites Add to phylogenetic matrix

Genus

Taxonomic relationships of Billingsites

• Billingsites manitoulinense belongs to Billingsites - Foerste (1924)
• Billingsites anticostiensis belongs to Billingsites - Twenhofel (1928)
• Billingsites deformis belongs to Billingsites - Eichwald (1860)
• Billingsites canadensis belongs to Billingsites - Nelson (1963)
• Billingsites belongs to Ascoceratinae - Teichert et al. (1964)