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Showing results for tags 'heteromorph'.
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Ammonite Idiohamites varians Georgetown Formation
JamieLynn posted a gallery image in Members Gallery
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From the album: Texas Cretaceous Fossils: Ammonites and Nautiloids
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From the album: Westphalian cretaceous fossils
unique and lovely are heteromorph ammonites like Scaphites. This small but great one comes from middle cenomanian of southern germany, housed in the collection of a friend of mine-
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From the album: Westphalian cretaceous fossils
a very nice and rare Scaphites cf. diana from upper middle santonian of Gelsenkirchen-Buer. One of the most perfect diana I have ever seen, around 4 cm-
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fine uncoiled Ammonite Aegocrioceras bicarinatum from the tonstein-pit Resse near Hannover. Lower cretaceous, hauterivian. Small ammonit, 5 cm diameter. Phragmocon is pyritized, living chamber partial calcited. Aegocrioceras is a very various ammonit, from tightly curled up to strange and very twisted shapes. I will post some next time© fossils worldwide
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Didymoceras cheyennense?
Mochaccino posted a topic in Is It Real? How to Recognize Fossil Fabrications
Hello, Does this association of Didymoceras cheyennense and Baculites compressus seem legitimate? Any restoration/reconstruction going on, or composite of multiple individuals, especially on the Didymoceras? Dimensions are 22cm x 14cm x 14cm, and listed as of Lower Cretaceous age and from the Pierre Shale of South Dakota. Also, if you had to pick one heteromorph ammonite specimen, would you personally purchase this for your collection (i.e. is it a good example of Didymoceras cheyennense)? I realize this is just a part of the inner whorls. Complete Didymoceras in gene -
Hello, Anyone know what species this is (and if it's legit)? The seller simply calls it a heteromorph from Germany, late Cretaceous ~ 60mya and measures about 10.8 cm long.
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Buying heteromorph ammonites, any red flags?
Mochaccino posted a topic in Is It Real? How to Recognize Fossil Fabrications
Hello, I'm considering purchasing between 3 heteromorph ammonites. I wanted to ask if they are authentic, and whether it seems like there is any restoration or carving going on. Also, if there's any one that looks to be in particularly bad condition. Here is #1. Presumably Nostoceras: #2, also Nostoceras, appears upside-down in matrix with turricone still embedded. Perhaps I can prep that myself? And #3, listed as Acrioceras tabarelli: -
Restored/Composite Heteromorph?
Mochaccino posted a topic in Is It Real? How to Recognize Fossil Fabrications
Hello, new member here. I just purchased this heteromorph ammonite from what's considered a reputable website but I've started to get concerned on the authenticity of this specimen due to the heterogeneous coloration (some places dark, some places light). Is there a chance there's some fake pieces as a composite or perhaps heavy restoration? Also it was listed as eubostrychoceras indopacificum, but it looks different from photos of other such specimens. It seems more like a Nostoceras malagasyense, but perhaps I'm just mistaken? -
From the album: C&D Canal Micro Fossils
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Some more find from Carniol my attempt at id based on http://le-coin-a-fossiles.fr/Gargasien.html first Baculites sp. some of my favourite finds Is further id possible?
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Hi All, Over a year ago I found this in situ NSR - Ozan formation Late Cretaceous; Gulfian Series. It's the only one I've found like this in both size and fossilization. I'm terrible with ammonite identifications and would love to put a name to this little specimen and an opinion on if this might be a heteromorphic ammonite? Might it be a Scaphites sp? Thanks! Suture lines:
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From the album: C&D Canal Micro Fossils
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These heteromorph ammonites were found in the middle East in a senonian outcrop. In a limestone but the fossils are made of flint and removed by acid. the pieces are 3-4 centimetres long and are three different individuals. Can you please help me ID them?
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A large-scale study covering all aspects of paleobiology and anatomy of heteromorphs over the entire period of their existence, from the Late Devonian to the Cretaceous-Paleogene boundary. The article summarizes modern data on heteromorphs and adds some new interesting facts. 2021, not paywalled. Link here
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Hi guys bought this when I was in Morocco however seller had no idea of provenance still bought it as it was very cheap. But would anyone have any ideas as to its age, species , location etc thanks so much
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Russian Heteromorph Ammonite
Charlotte787 posted a topic in Is It Real? How to Recognize Fossil Fabrications
I was considering buying this heteromorph ammonite from an online dealer and was just wondering if it looks authentic. Any advice would be much appreciated! -
McNamara, K., 1987-1988. Australian Ammonites. Australian Natural History. 22(7), Summer 1987-88, pp. 332-336. Index and PDF links to Australian Natural History (1962-1995) Yours, Paul H.
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Metaptychoceras sp. - Upper Cretaceous Eagle Ford Formation - Central Texas
JohnJ posted a gallery image in Members Gallery
From the album: Ammonites
Multiple views of a near complete uncommon heteromorphic ammonite from Central Texas© JohnJ
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From the album: Fauna and Flora of the Austin Group in Texas
This specimen is the largest of its genus in my collection, and the largest known to me in any collection. It measures about 7 cm in height, and 4.3 cm in diameter. It retains its tubercles in the most mature whorl sections that are preserved well enough to tell. The specimen is quite crushed. -
From the album: Fauna and Flora of the Austin Group in Texas
This specimen is the largest of its genus in my collection, and the largest known to me in any collection. It measures about 7 cm in height, and 4.3 cm in diameter. It retains its tubercles in the most mature whorl sections that are preserved well enough to tell. The specimen is quite crushed. -
From the album: Fauna and Flora of the Austin Group in Texas
This specimen is the largest of its genus in my collection, and the largest known to me in any collection. It measures about 7 cm in height, and 4.3 cm in diameter. It retains its tubercles in the most mature whorl sections that are preserved well enough to tell. The specimen is quite crushed. -
Almost 2 weeks ago I went with a small group from the rockhound club up to the Vancouver Island Paleontology Museum and the Courtenay & District Museum to see their fossils. Weather was too crummy to do an actual collecting field trip at any place! I guess it's OK to post pics here. I won't post anybody's face. The lighting and some of the display cases themselves presented problems for photography at both places, besides which it was kind of a whirlwind tour, so these shots are the best I could do. I'd say the poor lighting was the worst thing about both places, but we're dealin
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Ralph @Nimravis generously gave me these Ammonites. I think he bought them at a garage sale. There was no data with them. I have zero experience with ammonites. I am hoping someone will be able to put a genus name on one or more of them or even venture a guess as to from where they may have come and what time period. Does that matrix / assemblage look familiar to anyone? One appears to be a heteromorph. I think I see Inoceramus in there. Maybe Cretaceous? Texas? They are all the same color (differences in color between the pieces in the photos is due to different lighting). Sc
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Name: Hyphantoceras venustum Location: Obira, Hokkaido, Japan Age: Santonian of Late Cretaceous Description: A heteromorph ammonite found in North Japan. This species is very rare. It has four rows of tubercles. A completely preserved species are unknown.
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Heteromorph ammonites- why the weird shapes? I am at a loss...
