Some free articles from 2018 not yet mentioned. The main texts are in Japanese.
Tomohiro Nishimura and Kazuhiko Sakura (2018)
Discovery and research history of Phosphorosaurus ponpetelegans Holotype (HMG-1528) .
The Bulletin of the Hobetsu Museum.33:.27â31
The Phosphorosaurus ponpetelegans Holotype (HMG-1528) was discovered in 6th August, 2009 in Pankerusano-sawa Creek, Hobetsu, Hokkaido by one of the authors (TN). This specimen was prepared from 2009 to 2011, and published in early 2016. The specimenâs discovery and research history is described in detail for the first time.
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Masami Shimoyama (2018)
Preparation of Phosphorosaurus ponpetelegans Holotype (HMG-1528).
The Bulletin of the Hobetsu Museum 33: 33â36
Preparation of the Phosphorosaurus ponpetelegans holotype (HMG-1528) collected in August of 2009 is briefly described. Using 3% formic acid, preparation was meticulously carried out from December 2009 to December 2011 at the Hobetsu Museum, Hokkaido, Japan. A concentration of delicately preserved fossil elements was contained in a 20-kg calcareous nodule. As the more matrix was removed, a special Styrofoam base was assembled in order to support and prevent parts of the fossil freed from the matrix from collapsing, due either to its own weight or to that of the matrix remaining.
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Tatsuya Shinmura and Takuya Konishi (2018)
Life and skeletal reconstructions of a mosasaur Phosphorosaurus using a three-dimensional computer graphics (3D CG) software: a highly promising reconstruction technique for fossil vertebrates.
The Bulletin of the Hobetsu Museum 33: 37â44
In 2015, the first halisaurine mosasaur fossil was reported from Japan and was named Phosphorosaurus ponpetelegans. The publication was accompanied by a computer graphic life restoration of the new mosasaur taxon. The mosasaurs depicted in this illustration were based on a 3D model made beforehand, and the 3D model itself was based in turn on multiple halisaurine specimens. For the cranium, we primarily used that of the exceptionally well preserved P. ponpetelegans holotype and several other halisaurine specimens, whereas for the postcranium that the holotype lacked the most of, we referred to the articulated halisaurine skeletons of Eonatator coellensis and E. sternbergii. As no soft tissue anatomy has been preserved in halisaurine specimens to date, we based the body scales and eyeball size of P. ponpetelegans on Platecarpus, a plioplatecarpine mosasaur, and all the other soft tissue anatomy on Varanus. Finally, the color pattern of extant coelacanths, which inhabit deep sea environs today, was chosen for the life restoration, based on the assumption that P. ponpetelegans was a nocturnal hunter. When making a life restoration of a fossil animal, it is ideal to build one based on a three-dimensionally preserved fossil specimen. Also, an ability to generate a life restoration in multiple aspects is highly beneficial when consulting specialists about the work in progress. In these respects, we encourage life restoration work for fossil animal taxa with a 3D-CG software, in addition to traditional restoration work grounded in two dimensional approach.
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