نتایج جستجو برای: asteroidea

تعداد نتایج: 260  

2004
Loïc Villier Manfred Kutscher Christopher L. Mah

Complete, articulated starfish fossils are rare. However, more frequently encountered dissociated skeletal elements (ossicles) permit reliable taxonomic identification, making them a valuable data source for diversity estimates. Nearly 300 asteroid ossicles, collected from the middle Toarcian marls in western France can be assigned to five species. Four species and two genera are described: Com...

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