Storrs, G.W.; Gower, D.J. (1993). The earliest possible choristodere (Diapsida) and gaps in the fossil record of semi-aquatic reptiles. Journal of the Geological Society. 150 (6): 1103—1107. Bibcode:1993JGSoc.150.1103S. doi:10.1144/gsjgs.150.6.1103. S2CID86088809.
Storrs, G.W.; Gower, D.J. (1993). The earliest possible choristodere (Diapsida) and gaps in the fossil record of semi-aquatic reptiles. Journal of the Geological Society. 150 (6): 1103—1107. Bibcode:1993JGSoc.150.1103S. doi:10.1144/gsjgs.150.6.1103. S2CID86088809.
Storrs, G.W.; Gower, D.J. (1993). The earliest possible choristodere (Diapsida) and gaps in the fossil record of semi-aquatic reptiles. Journal of the Geological Society. 150 (6): 1103—1107. Bibcode:1993JGSoc.150.1103S. doi:10.1144/gsjgs.150.6.1103. S2CID86088809.