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Hello dear fellow forum members, some time ago I was given the remnants of a geologists expedition souvenirs, without any labels. The piece pictured below was in a box together with a nice example of the trace fossil tambia spiralis, and about the same colour matrix. So I assume it could be from the same location, which may be the famous permian Bromacker quarry. It most resembles Limulus traces as far as I could find though. Described from Bromacker are several species of roaches, but on the other hand, I do not know if it is really from there. Any ideas?
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From the album: Sclerocephalus
juvenile Sclerocephalus from Niedernhausen pic 1-4 pic 5 Scull from Sclerocephalus from Odernheim Klauswald Horizont pic 6-8 juveniler Sclerocephalus Amphibienbank , Papierschiefer, Humberg-Bank 25 cm long the big one is a replik from the original - the original is in the family , Jeckenbacher Bank Meisenheim Formation all speciman found in Rhineland-Pallatinate, Germany -
Does this Melanerpeton display patterned pigmentation?
jpenn posted a topic in General Fossil Discussion
Here is a Melanerpeton humbergense. I acquired this lower Permian branchiosaurid recently from a well-known dealer in the Netherlands. I had been eyeing this specimen for some time and decided now would be a good time as ever to pull the trigger on it. Even with some bone missing it was a nice price for a nice creature that probably would have been about 12 centimeters long in life or close to it. Much of the fun of fossils for me is to find and read as much material on them as I can. The most prominent recent paper on Melanerpeton is TIMELESS DESIGN: COLORED PATTERN OF SKIN IN EARLY PERMIAN BRANCHIOSAURIDS (TEMNOSPONDYLI: DISSOROPHOIDEA) (Werneburg 2009) regarding a 19 cm long specimen of Melanerpton tenerum found at Börtewitz in Saxony. This paper describes a "spotted pattern of skin color" which feature patterned spots (gaps in the pigmentation?) of about 2 to 5 millimeters in width. The fossil I own has been identified by the seller as Melanerpeton humbergense and is from a completely different location, Odernheim in Pfalz. I am somewhat confident in those IDs of location and species. The stone closely resembles other branchiosaur specimens from Pfalz I have seen internet photos of. I can find no contra-indicatory features in my fossil to the rather detailed description of M. humbergense in THE INTRARELATIONSHIPS AND EVOLUTIONARY HISTORY OF THE TEMNOSPONDYL FAMILY BRANCHIOSAURIDAE (Schoch, Milner 2008). M. humbergense is a different species from a different location of a slightly different stratigraphy than M. tenerum. Still, there is color on the stone of my fossil that may suggest a possible pattern of open circles. I present this fossil to the forum for open consideration of this feature. I seek to avoid a confirmation bias and hope to get an understanding of what is there, whether that understanding is positive or negative. Hopefully there are some European collectors here who have seen many of these before in hand, and collectors familiar with the preparatory methods used. Per the seller, there has been no restoration. The fossil seems to show none of the protective surface coating often applied to branchiosaur specimens from other sellers. Factors that may be negative to a confirmation of patterned pigmentation to this specimen: M. tenerum and M. humbergense are different species from different locations from a different stratigraphic period. None of the possible 'patterned circles' seem to be evident on my fossil's tail, only a portion of the thorax, There is no counterpart impression to examine. Per Werneburg "Hundreds of branchiosaurid specimens are known from the vertebrate Lagerstaette Börtewitz, but only one is preserved with colored skin pattern. " This would suggest that finding a branchiosaurid with colored skin pattern would be very improbable. More photos will be posted after this initial photo. Thank you for looking, and I hope you enjoy this little bit of mystery as much as I do.
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Pic 1 Sclerocephalus häuseri, adult, Kalkbank aus den Geodenlagen der Jeckenbacher Bank , Location Rehborn, Raumbach, Länge 110 cm Pic 2 - 3 juvenile Stegocephalen aus dem mittleren Horizont - Klauswaldbank, Location Niedernhausen , Längen 15 cm, 25 cm Pic 3 - 6 juveniler Stegocephale aus dem Papierschiefer - Horizont des Humberg, Amphibienbank, Location Odernheim, Länge 25 cm Pic 7 - 10 Sclerocephalus häuseri, adult, Geodenlage der Jeckenbacher Bank, Location, Lettweiler, Länge 105 cm Lit.: Ludwig Ammon: Die permischen Amphibien der Rheinpfalz. Straub, München 1889. Werner Branco: Weissia bavarica g. n. sp. n., ein neuer Stegocephale aus dem unteren Rotliegenden. In: Jahrbuch der königlich-preussischen geologischen Landes-Anstalt und Bergakademie Berlin. 1887, S. 22–39. Ferdinand Broili: Über Sclerocephalus Häuseri Goldfuss. In: Sitzungsberichte der Bayerischen Akademie der Wissenschaften. 1926, S. 199–222. Jürgen Boy: Über einige Vertreter der Eryopoidea (Amphibia: Temnospondyli) aus dem europäischen Rotliegend (? höchstes Karbon – Perm). 1. Sclerocephalus.In: Paläontologische Zeitschrift. 62, 1988, S. 107–132. Rainer Schoch, Florian Witzmann: Osteology and relationships of the temnospondyl Sclerocephalus. In: Zoological Journal of the Linnean Society London. 157, 2009, S. 135–168. - http://www.permfossil.de/geowissenschaftliche-beitraege
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Accompanying fauna: Orthacanthus senckenbergianus (Lebachacanthus colosseum) Aeduella blainvillei Apateon sp. Acanthodes palatinensis Paläontologische Zeitschrift Heidke, Ulrich, November 1993, Volume 67, Issue 3–4, pp 331–341| Studien überAcanthodes. 4.Acanthodes boyi n. sp., die dritte Art der Acanthodier (Acanthodii: Pisces) aus dem Rotliegend (Unterperm) des Saar-Nahe-Beckens (SW-Deutschland) I edited the Westrichus because I got information, that this is not a Werstrichus krätschmeri. Mr Kratschmer himself told me when I showed him the fossil in July 2017, that this must be Acanthodes boyi.
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From the album: Sclerocephalus
juvenile Sclerocephalus from Niedernhausen pic 1-4 pic 5 Scull from Sclerocephalus from Odernheim Klauswald Horizont pic 6-8 juveniler Sclerocephalus Amphibienbank , Papierschiefer, Humberg-Bank 25 cm long the big one is a replik from the original - the original is in the family , Jeckenbacher Bank Meisenheim Formation all speciman found in Rhineland-Pallatinate, Germany -
.jpg.692abc85a50b3994daf9059a17acc955.jpg)
From the album: Sclerocephalus
juvenile Sclerocephalus from Niedernhausen pic 1-4 pic 5 Scull from Sclerocephalus from Odernheim Klauswald Horizont pic 6-8 juveniler Sclerocephalus Amphibienbank , Papierschiefer, Humberg-Bank 25 cm long the big one is a replik from the original - the original is in the family , Jeckenbacher Bank Meisenheim Formation all speciman found in Rhineland-Pallatinate, Germany -
.jpg.51ef9db07c63eac330c878cf42b568d1.jpg)
From the album: Sclerocephalus
juvenile Sclerocephalus from Niedernhausen pic 1-4 pic 5 Scull from Sclerocephalus from Odernheim Klauswald Horizont pic 6-8 juveniler Sclerocephalus Amphibienbank , Papierschiefer, Humberg-Bank 25 cm long the big one is a replik from the original - the original is in the family , Jeckenbacher Bank Meisenheim Formation all speciman found in Rhineland-Pallatinate, Germany -
.jpg.4ee67c5f30940523e3bb283b115c87b4.jpg)
From the album: Sclerocephalus
juvenile Sclerocephalus from Niedernhausen pic 1-4 pic 5 Scull from Sclerocephalus from Odernheim Klauswald Horizont pic 6-8 juveniler Sclerocephalus Amphibienbank , Papierschiefer, Humberg-Bank 25 cm long the big one is a replik from the original - the original is in the family , Jeckenbacher Bank Meisenheim Formation all speciman found in Rhineland-Pallatinate, Germany -
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From the album: Sclerocephalus
juvenile Sclerocephalus from Niedernhausen pic 1-4 pic 5 Scull from Sclerocephalus from Odernheim Klauswald Horizont pic 6-8 juveniler Sclerocephalus Amphibienbank , Papierschiefer, Humberg-Bank 25 cm long the big one is a replik from the original - the original is in the family , Jeckenbacher Bank Meisenheim Formation all speciman found in Rhineland-Pallatinate, Germany -
.jpg.00101496b0d37f2a3959d219adb55a66.jpg)
From the album: Sclerocephalus
juvenile Sclerocephalus from Niedernhausen pic 1-4 pic 5 Scull from Sclerocephalus from Odernheim Klauswald Horizont pic 6-8 juveniler Sclerocephalus Amphibienbank , Papierschiefer, Humberg-Bank 25 cm long the big one is a replik from the original - the original is in the family , Jeckenbacher Bank Meisenheim Formation all speciman found in Rhineland-Pallatinate, Germany -
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From the album: Sclerocephalus
juvenile Sclerocephalus from Niedernhausen pic 1-4 pic 5 Scull from Sclerocephalus from Odernheim Klauswald Horizont pic 6-8 juveniler Sclerocephalus Amphibienbank , Papierschiefer, Humberg-Bank 25 cm long the big one is a replik from the original - the original is in the family , Jeckenbacher Bank Meisenheim Formation all speciman found in Rhineland-Pallatinate, Germany -
.jpg.6b50cea12638c4bcbce4268e3cb0789d.jpg)
From the album: Sclerocephalus
juvenile Sclerocephalus from Niedernhausen pic 1-4 pic 5 Scull from Sclerocephalus from Odernheim Klauswald Horizont pic 6-8 juveniler Sclerocephalus Amphibienbank , Papierschiefer, Humberg-Bank 25 cm long the big one is a replik from the original - the original is in the family , Jeckenbacher Bank Meisenheim Formation all speciman found in Rhineland-Pallatinate, Germany -
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From the album: Sclerocephalus
juvenile Sclerocephalus from Niedernhausen pic 1-4 pic 5 Scull from Sclerocephalus from Odernheim Klauswald Horizont pic 6-8 juveniler Sclerocephalus Amphibienbank , Papierschiefer, Humberg-Bank 25 cm long the big one is a replik from the original - the original is in the family , Jeckenbacher Bank Meisenheim Formation all speciman found in Rhineland-Pallatinate, Germany -
Some impressions from my private collection of permian fossils, some of them I digged myself, some I changed with other collectors, most of them I prepared myself the permian fossils had been found in Germany, Rhineland - Pallatinate niederkirchen , pdernheim and other locations
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