Tham khảo Ngành_Tay_cuộn

  • R.C.Moore, 1952; Brachiopods in Moore, Lalicher, and Fischer; Invertebrate Fossils, McGraw-Hill.
  • Moore, R.C.; Lalicker, C.G.; Fischer, A.G. (tháng 6 năm 1952). Invertebrate Fossils. Mcgraw-Hill College. ISBN 0-07-043020-9

Tài liệu tham khảo

WikiPedia: Ngành_Tay_cuộn http://books.google.com/?id=6RL5Kp11U_gC&pg=PA61&l... http://books.google.com/?id=MKUab3WegL0C&pg=PA92&d... http://books.google.com/?id=OdrCdxr7QdgC&pg=PA37&d... http://books.google.com/?id=qvyBS4gwPF4C&pg=PA408&... http://books.google.com/?id=yRMgYc-8mTIC&pg=PA12&d... http://www.int-res.com/articles/meps/207/m207p033.... http://www.nature.com/nature/journal/v452/n7188/ab... http://www.palaeos.com/Invertebrates/Lophotrochozo... http://www.ucmp.berkeley.edu/brachiopoda/brachiopo... http://www.ucmp.berkeley.edu/brachiopoda/brachiopo...