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Showing results for tags 'lower ordovician'.
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A nice Dictyonema flabelliforme dendroid graptolite from Oslo Fields in Norway. It's Tremadoc, Lower Ordovician in age and is thus maybe around 480 mya. Another angle :
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- bou nemrou
- el kaid errami
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- bou nemrou
- el kaid errami
- first bani group
- trigonirhynchiidae
- eocrinoid
- rostricellula minnesotensis
- izzegguirine formation
- rhynchotrematidae
- rostricellula
- rhynchotrema wisconsinense
- rhynchotrema ainsliei
- rhynchotrema
- minnesota
- rochester
- cummingsville formation
- lituites
- lituites lituus
- trilacinoceras hunanense
- huk formation
- trilacinoceras
- slemmested
- phyllograptus angustifolius
- phyllograptus
- rhabdinopleura flabelliformis
- rhabdinopleura
- tetragraptus serra
- tetragraptus
- upper ordovician
- arenig
- late ordovician
- early ordovician
- middle ordovician
- dictyonema flabelliforme
- dictyonema
- ordovician
- graptolite
- norway
- dendroid
- tremadoc
- lower ordovician
- pagoda formation
- oslo
- baota formation
- ampyx
- ampyx priscus
- upper fezouata formation
- fezouata formation
- ouled slimane
- zagora
- raphiophoridae
- favosites
- favosites fibrilla
- dufton shales
- cross fell
- pennines
- caradoc
- caradocian
- constellaria antheloidea
- cincinnati group
- constellaria
- cincinnatian
- williamson county
- tennessee
- morocco
- china
- ascocystites
- bumastoides
- postville
- iowa
- anti atla
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Canada/Newfoundland/Ordovician/Lower Ordovician
MarcusFossils posted a gallery image in Member Collections
From the album: My Collection
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- lower ordovician
- newfoundland
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- monoplacophoran
- roubidoux fm
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Ordovician northeast Arkansas.Found in the same general location.Some show groth lines and a deep cone shaped hole in one end.I am thinking cephalopods or siphuncles?
- 14 replies
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- northeast arkansas
- southern ozarks
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I am guessing Coral Sponge or Bryozoan I do not know.So I need an ID.Found in creek gravel,Northeast Arkansas,Lower Ordovician.Thanks.
- 21 replies
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- lower ordovician
- northeast arkansas
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I found these fossils in creek gravel Northeast Arkansas Lower Ordovician.Someone please tell me if they are a sponge or coral.And the name of species .
- 12 replies
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- lower ordovician
- northeast arkansas
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The reverse of this piece has specimens of Tetragraptus serra. and this side shows fragments of other graptolites, possibly Tetragraptus and / or other Dichograptids.
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- huk formation
- arenig
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