Orr, P., Siveter, D., Briggs, D., Siveter, D., & Sutton, M. (2000). A new arthropod from the Silurian Konservat-Lagerstatte of Herefordshire, UK.
Dyfyniad Arddull ChicagoOrr, P., D. Siveter, D. Briggs, D. Siveter, and MD Sutton. A New Arthropod from the Silurian Konservat-Lagerstatte of Herefordshire, UK. 2000.
Dyfyniad MLAOrr, P., et al. A New Arthropod from the Silurian Konservat-Lagerstatte of Herefordshire, UK. 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.