海納魚屬海納螈 Haines, Tim; Chambers, Paul. The Complete Guide to Prehistoric Life (英语:The Complete Guide to Prehistoric Life ) illustrated. Canada: Firefly Books
美扭椎龍屬Dinosaurs of the World. Simon & Schuster. 1988: 287–288. ISBN 0-671-61946-2. Haines, T.; Chambers, P. The Complete Guide to Prehistoric Life . Italy: Firefly
翼肢鲎属The Complete Guide to Prehistoric Life . Canada: Firefly Books. 2006: 25. ISBN 978-1-55407-125-8. Haines, Tim and Paul Chambers. The Complete Guide to
原水蝎螈Tim; Paul Chambers. The Complete Guide to Prehistoric Life . Canada: Firefly Books. 2006: 38. 引文使用过时参数coauthors (帮助) Dougal Dixon. The World Encyclopedia
油頁岩蜥屬1999: 82. ISBN 1-84028-152-9. Haines, Tim; Paul Chambers. The Complete Guide to Prehistoric Life . Canada: Firefly Books. 2006: p. 36. 引文使用过时参数coauthors