or select from list (show only references with data):
| johnson1992 | JOHNSON, G.D. (1992) Chondrichthyan biostratigraphy of the North American Permian System. In: Nairn, A. E. M.,and Koroteev, V. (eds.), Contributions to Eurasian Geology. Papers Presented at the International Congress on the Permian System of the World, Perm, Russia, 1991 |
| johnson1996 | JOHNSON, G.D. (1996) Vertebrate Microfossils from the Lueders Formation, Albany Group, and the faunal transition from the Wichita Group into the Clear Fork Group, Lower Permian of Texas. Modern Geology, 20: 371 |
| johnson1996a | JOHNSON, M.R. & SNELSON, F.F. (1996) Reproductive life history of the Atlantic stingray, Dasyatis sabina (Pisces, Dasyatidae), in the freshwater St. Johns River, Florida. Bulletin of Marine Science, 59 (1): 74 |
| johnson1999 | JOHNSON, G.D. (1999) Dentitions of late Palaeozoic Orthacanthus species and new species of ?Xenacanthus (Chondrichthyes: Xenacanthiformes) from North America. Acta Geologica Polonica, 49 (3): 215 |
| johnson2001 | JOHNSON, R. & SCHOLL, M.C. (2001) Activity Patterns of the White Shark (Carcharodon carcharias) at Dyer Island, South Africa. Abstract In: 2001 Zoological Society of Southern Africa: A South African Odyssey, Port Elizabeth, South Africa |
| johnson2002 | JOHNSON, S.C. & LUCAS, S.G. (2002) Oldest occurrence of the Cretaceous shark Ptychodus whipplei Marcou from the Cenomanian of central New Mexico. Abstract. New Mexico Geological Society Abstract, 24: 61 |
| johnson2002a | JOHNSON, S.C. & LUCAS, S.G. (2002) Histological study of the ray Pseudohypolophus mcnultyi (Thurmond) from the Late Cretaceous (Coniacian-Santonian) of central New Mexico. New Mexico Geology, 24 (3): 89 |
| johnson2003 | JOHNSON, G.D. (2003) Dentitions of Barbclabornia (new genus, Chondrichthyes: Xenacanthiformes) from the upper Palaeozoic of North America. Mitteilungen aus dem Museum für Naturkunde in Berlin, Geowissenschaftliche Reihe, 6: 125 |
| johnson2003a | JOHNSON, R.L. (2003) Behavioural ecology of the white shark (Carcharodon carcharias) at Dyer Island, South Africa. M.Sc. Thesis, University of Pretoria, Pretoria, South Africa |
| johnson2003b | JOHNSON, S.C. & LUCAS, S.G. (2003) Middle Turonian (Late Cretaceous) selachian fossil assemblages from central New Mexico. Abstract. Geological Society of America, Abstracts with Programs, 35: 15 |
| johnson2003c | JOHNSON, S.C. & LUCAS, S.G. (2003) Selachian fauna from the Upper Cretaceous Dalton Sandstone, middle Rio Puerco Valley, New Mexico. New Mexico Geological Society Guidebook, 54th Field Conference, Geology of the Zuni Plateau: 353 |
| johnson2004 | JOHNSON, R.L. & OOSTHUIZEN, W.H. & BESTER, M.N. & MEYER, M.A. & SWANSON, S. & KOTZE, D. (2004) Habitat utilization of the white shark in South Africa, using acoustic telemetry. In: Abstract of workshop: Conservation Research of Great White Sharks. 20 |
| johnson2004a | JOHNSON, S.C. & LUCAS, S.G. (2004) Campanian (Late Cretaceous) Selachian Fauna from the Cliff House Sandstone near Cuba, New Mexico. New Mexico Geological Society, 26 (2): 64 |
| johnson2005 | JOHNSON, G.D. (2005) An unusual tricuspid chondrichthyan tooth from the Lower Permian of Texas, USA. Revista Brasileira de Paleontologia, 8 (2): 159 |
| johnson2005a | JOHNSON, G.D. (2005) Underdeveloped and unusual xenacanth shark teeth from the Lower Permian of Texas. Proceedings of the South Dakota Academy of Science, 84: 215 |
| johnson2006 | JOHNSON, G.D. (2006) Iniopterygian tooth whorls from the Lower Permian of Texas, U.S.A. In: Yang, Q., Wang, Y., and Weldon, E. A. (eds.), Ancient Life and Modern Approaches |
| johnson2006a | JOHNSON, R.L. & KOCK, A.A. & BESTER, M.N. & COMPAGNO, L.J.V. & DUDLEY, S. & GRIFFITHS, C.L. & KESWICK, T. & KOTZE, P.G.H. & LAROCHE, K. & MEYER, M.A. & OOSTHUIZEN, W.H. & SWANSON, S. & JACOBS, L. (2006) South Africa´s White shark cage-diving industry - is there cause for concern? In: Nel D.C. & Peschak T.P. (eds.): Finding a balance: white shark conservation and recreational safety in the inshore waters of Cape Town, South Africa |
| johnson2006b | JOHNSON, R.L. & VENTER, A. & BESTER, M.N. & OOSTHUIZEN, W.H. (2006) Seabird predation by white shark, Carcharodon carcharias, and Cape fur seal, Arctocephalus pusillus pusillus, at Dyer Island. South African Journal of Wildlife Research, 36 (1): 23 |
| johnson2008 | JOHNSON, G.D. (2008) Ctenacanthiform Cladodont Teeth from the Lower PermianWichita Group, Texas, U.S.A. Acta Geologica Polonica, 58 (2): 205 |
| johnson2008a | JOHNSON, R.L. & KESWICK, T. & BESTER, M.N. & OOSTHUIZEN, W.H. (2008) Encounters between white sharks and Cape fur seals in a shallow channel. JMBA2 |