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| | when (Site not responding. Last check: 2007-11-05) |
 | | The Durdham Down fissure fillings are now known to be distinct from the nearby Dolomitic or Magnesian Conglomerate. |
 | | One of these, near the Zoological Gardens, was proved to be of the age of the Lower Lias, - Ammonites, Echini, Foraminifera and the other remains of that age being exhibited by the author, taken from between the walk of the Carboniferous Limestone 30 feet from the surface. |
 | | The presence of a phytosaur, Paleosaurus platyodon, at Durdham Down at least guarantees a Late Triassic age, since phytosaurs are not known after the end of the Triassic, and pre-Carnian records are equivocal. |
| palaeo.gly.bris.ac.uk /bristoldinosaurproject/when.html (729 words) |
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