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Showing results for tags 'ammonoidea'.
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From the album: 1925 Body & Trace Fossil Collection - Ocean
These are the three segments of Ammonoids in the collection that are easy to ID. Because the Ammonite came in many shapes and sizes, it is hard for me to say if these are segments of the same ammonite or three separate specimens. These still have dirt on them and didn't know if I should clean them or leave them alone? Ammonite 01 has a tube that is loose, the 'tube' would be the siphuncle used in adjusting the buoyancy in ammonoids and nautiloids in ammonites it is located ventrally and is more central in nautiloids. I assume because all of the fossil collection is either stone or amber, no further decay is happening? I would like to clean the dirt from the pieces but would hate to find out that the dirt was needed for further studies? I will also be adding the shells, clams and fish as I get them ready© GOD's Design 2019
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- ammonite
- ammonoidea
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From the album: 1925 Body & Trace Fossil Collection - Ocean
These are the three segments of Ammonoids in the collection that are easy to ID. Because the Ammonite came in many shapes and sizes, it is hard for me to say if these are segments of the same ammonite or three separate specimens. These still have dirt on them and didn't know if I should clean them or leave them alone? Ammonite 01 has a tube that is loose, the 'tube' would be the siphuncle used in adjusting the buoyancy in ammonoids and nautiloids in ammonites it is located ventrally and is more central in nautiloids. I assume because all of the fossil collection is either stone or amber, no further decay is happening? I would like to clean the dirt from the pieces but would hate to find out that the dirt was needed for further studies? I will also be adding the shells, clams and fish as I get them ready© GOD's Design 2019
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- ammonite
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Dear forum members, I have just joined the forum and need your help for ammonoid identification. Although I´m an aquatic biologist of extant animals, my knowlege is very limited regarding fossil creatures. I´ve just acquired two ammonoid display specimens through the family of a deceased Japanese-Brazilian regarded merchant of ornamental stones. These pieces belonged to his private collection and didn´t receive a data tag because the informations were in his mind. His family only recalls those ammonoids to have been brought from Japan many years ago, but most likely have originated elsewhere. In this message I´m attaching pictures of the first ammonoid up to the allowed 3.95 MB volume, but may provide more specific pictures if desirable. I will be delighted to have any information on this animal. Thanking for your kindness, Best regards Ricardo
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From the album: Cephalopoda
Ammonoidea ZITTEL 1884, S. Gião Formation, Upper Toarcian, Portugal. 5 cm. -
From the album: Cephalopoda
Ammonoidea ZITTEL 1884, Cabo Mondego Limestones and Marls Formation, Callovian, Portugal. 20 mm. -
From the album: Cephalopoda
Ammonoidea ZITTEL 1884, Cabo Mondego Limestones and Marls Formation, Callovian, Portugal. 20-30 mm. -
From the album: Cephalopoda
Ammonoidea ZITTEL 1884, Cabo Mondego Limestones and Marls Formation, Callovian, Portugal. 20 mm. -
From the album: Cephalopoda
Ammonoidea ZITTEL 1884, Cabo Mondego Limestones and Marls Formation, Callovian, Portugal. 20 mm.