First occurrence of Pterotheca (Gastropoda) from the Silurian (Aeronian) of Spain.

MLA

Ebbestad, Jan Ove R., and Juan Carlos Gutiérrez-Marco. “First Occurrence of Pterotheca (Gastropoda) from the Silurian (Aeronian) of Spain.” Geobios, vol. 50, no. 2, Mar. 2017, pp. 97–104. EBSCOhost, https://doi.org/10.1016/j.geobios.2017.02.003.

APA

Ebbestad, J. O. R., & Gutiérrez-Marco, J. C. (2017). First occurrence of Pterotheca (Gastropoda) from the Silurian (Aeronian) of Spain. Geobios, 50(2), 97–104. https://doi.org/10.1016/j.geobios.2017.02.003

Chicago

Ebbestad, Jan Ove R., and Juan Carlos Gutiérrez-Marco. 2017. “First Occurrence of Pterotheca (Gastropoda) from the Silurian (Aeronian) of Spain.” Geobios 50 (2): 97–104. doi:10.1016/j.geobios.2017.02.003.