Zobrazeno 1 - 10 of 48 pro vyhledávání: '"D. T. Donovan"'
5
History of classification of Mesozoic ammonites
Autor: D. T. Donovan
Publikováno v: Journal of the Geological Society. 151:1035-1040
The ammonites were first subdivided at generic level on the basis of shell coiling, heteromorphs or ‘uncoiled’ shells being separated after 1799 from the normally coiled shells. The latter were referred to a single genus, Ammonites, until the lat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4aadaa5c964fa2fa1c6c7d51a1e59a8b
https://doi.org/10.1144/gsjgs.151.6.1035
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7
Discussion on lithospheric flexure, uplift, and landscape evolution in south‐central England
Autor: Michael J. Simms, Anthony Watts, Eric J. Fielding, D. T. Donovan, W. S. McKERROW
Publikováno v: Journal of the Geological Society. 158:877-879
Scientific editing by Alex Maltman. J. C. W. Cope writes: The paper by Watts et al. contains interesting ideas on landscape evolution, but by concentrating their observations locally, and by overestimating post-Anglian erosion, they may have lost sig
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d469cd66458428a23ee2f90450a12c1
https://doi.org/10.1144/0016-764901-041
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9
Ammonite shell form and transgression in the British lower Jurassic
Autor: D. T. Donovan
Publikováno v: Sedimentary and Evolutionary Cycles ISBN: 3540139826
The early Jurassic transgression has been traced in detail in southern England. Shell forms in Ammonitina have been classed in eight groups, and the occurrence of these groups is related to the progress of the transgression. Unkeeled shells are repla
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4deb4517585e675d4aab149fd7b7077
https://doi.org/10.1007/bfb0009837
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