Godofgods Posted March 26, 2020 Share Posted March 26, 2020 Hi everyone, i'm doing the thesis of master degree in paleontology and I'm studying a new internal lagoon near a carbonate platform. At this moment I can't go to university because we are in quarantine and therefore I can't consult with the professors and can't use various methods. So I ask you for help. Can anyone identify these fish, even just the family they belong to? They are all from the Turonian and they come from a kind of Plattenkalk and represent the only vertebrates found. Thank you 1 Link to comment Share on other sites More sharing options...
jpc Posted March 26, 2020 Share Posted March 26, 2020 I am curious as to why you can't ask your professor. It seems all the profs here are teaching via the internet these days. No, I do not know these fish, sorry. 2 Link to comment Share on other sites More sharing options...
Fossildude19 Posted March 27, 2020 Share Posted March 27, 2020 @oilshale 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...
oilshale Posted March 27, 2020 Share Posted March 27, 2020 Hmm, I don't know. Looks like something resembling Leptolepides. But this fish only exists up to the Aptian and not the Turonian. 2 Be not ashamed of mistakes and thus make them crimes (Confucius, 551 BC - 479 BC). Link to comment Share on other sites More sharing options...
Fossildude19 Posted March 27, 2020 Share Posted March 27, 2020 Where were these found? Country, county, state, or region? What Formation were they found in? 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...
Godofgods Posted April 3, 2020 Author Share Posted April 3, 2020 Could they belong to the family of Clupeidae? Link to comment Share on other sites More sharing options...
Tribal1990 Posted April 10, 2020 Share Posted April 10, 2020 "They are all from the Turonian and they come from a kind of Plattenkalk" Cool! How do you know that the fish fossils are from the Turonian (upper cretaceous)? They look like Leptolepides (https://www.gbif.org/species/5816810), a genus which existed up to the lower cretaceous (as far as I know). The stone with dendrites looks like Solnhofen material (upper jurassic). The two other stones could also be from a "Solnhofener Plattenkalk" quarry. Could you show us "overview pictures" of the stone plates? "[...] and represent the only vertebrates found." That´s interesting. Is this an information of the person who found/ excavated the fish fossils? Link to comment Share on other sites More sharing options...
Godofgods Posted April 11, 2020 Author Share Posted April 11, 2020 On 10/4/2020 at 2:14 PM, Tribal1990 said: Cool! How do you know that the fish fossils are from the Turonian (upper cretaceous)? we know this because we have studied the foraminifers contained in the rocks and they are from Turonian. On 10/4/2020 at 2:14 PM, Tribal1990 said: Could you show us "overview pictures" of the stone plates? at this moment i can't take pictures, sorry Link to comment Share on other sites More sharing options...
Tribal1990 Posted April 16, 2020 Share Posted April 16, 2020 Biostratigraphy based on microfossils (e.g. coccolithophores, foraminifera, radiolarians) is very interesting. Recently I found an amazing website which provides a guide to the biodiversity and taxonomy of microfossils: http://www.mikrotax.org/Nannotax3/index.php?dir=Coccolithophores Could you please tell me/us, which foraminifera taxa can be used as index fossils for the Turonian? mikrotax.org puts e.g. Falsotruncana into the Turonian stage: http://www.mikrotax.org/pforams/index.php?taxon=Falsotruncana&module=pf_mesozoic#rangedata I am also interested in foraminifera taxa that can be used as index fossils for the upper jurassic (I live in the area of the Solnhofener Plattenkalk, Bavaria, Germany). mikrotax.org "says" Globugerina and Conoglobigerina: http://www.mikrotax.org/pforams/index.php?taxon=Conoglobigerinidae&module=pf_mesozoic#rangedata Do you know further foraminifera taxa that are restricted to upper jurassic sediments (and the relevant literature)? Kind regards Martin Link to comment Share on other sites More sharing options...
Coco Posted April 16, 2020 Share Posted April 16, 2020 Hi, @Foram-Mike Coco ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici Mâchoires sélaciennes récentes : ici Hétérodontiques et sélaciens : ici Oeufs sélaciens récents : ici Otolithes de poissons récents ! ici Un Greg... Link to comment Share on other sites More sharing options...
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