Warwick Posted October 8, 2017 Share Posted October 8, 2017 Hello, I found a fossil Around Picton in NSW Australia and Im wondering if anyone can help identify what species of plant this could possibly be? Thanks, Warwick. Link to comment Share on other sites More sharing options...
Brittle Star Posted October 8, 2017 Share Posted October 8, 2017 That is cute, can you say how long the leaf is, it may help with ID. Never ask a starfish for directions Link to comment Share on other sites More sharing options...
Warwick Posted October 8, 2017 Author Share Posted October 8, 2017 Its about 6.5mm long Link to comment Share on other sites More sharing options...
izak_ Posted October 8, 2017 Share Posted October 8, 2017 Just out of curiosity, can we have a pic of the whole rock? Link to comment Share on other sites More sharing options...
Warwick Posted October 8, 2017 Author Share Posted October 8, 2017 Sure thing! Link to comment Share on other sites More sharing options...
Warwick Posted October 10, 2017 Author Share Posted October 10, 2017 No ideas? Is it just too small a specimen to arrive at a specific conclusion? Link to comment Share on other sites More sharing options...
Fossildude19 Posted October 10, 2017 Share Posted October 10, 2017 Do you know the age of the fossils found there? Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
piranha Posted October 10, 2017 Share Posted October 10, 2017 Response from the UO paleobotanist: Lobifolia dejerseyi, a fern, Middle Triassic (Ladinian) Minchinbury Sandstone. Retallack, G., Gould, R.E., & Runnegar, B. (1977) Isotopic dating of a Middle Triassic megafossil flora from near Nymboida, northeastern New South Wales. Proceedings of the Linnean Society of New South Wales, 101:77-113 LINK Link to comment Share on other sites More sharing options...
Warwick Posted October 18, 2017 Author Share Posted October 18, 2017 I have no idea how old the fossils are, Ive seen some sources listing the rock as being Triassic? Which matches with that fern species. Thanks heaps for the reply! I would have expected the leaves of bracken fossils to be grouped in a frond as opposed to individual leaves, is it normal for fossils to show the fern leaflets as being separate? Link to comment Share on other sites More sharing options...
Fossildude19 Posted October 18, 2017 Share Posted October 18, 2017 13 minutes ago, Warwick said: ... is it normal for fossils to show the fern leaflets as being separate? Yes, it is. I find individual pinnules of Otozamites latior, all of the time. (Early Jurassic) Frustrating, as when I do find one, it is usually the only thing on the bedding plane. If you consider the forces and events that blew plant fossils into water to sink into mud and create a fossil, it isn't all that uncommon. Violent storms, floods, hurricanes, typhoons, all of which are capable of shredding a frond and separating pinnules from fronds. Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
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