منابع مشابه
Taxonomic resolution of sawfish rostra from two private collections
Management and recovery of endangered sawfishes are challenged by the un certainty of species determination. Frequently, dried rostra (saws) are the only material available to represent an historical occurrence, yet traditional methods of species identification of datadeficient rostra (rostral tooth counts) are unreliable. We evaluated the utility of morphometric characters for the identificati...
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Natural history collections have existed for considerable time, and their contribution to research has been discussed and praised in recent decades. In scientific literature, however, there is a general lack of records from private and other small collections. Here, we show that these collections represent a highly valuable resource for research, because they may include an important number of ...
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ژورنال
عنوان ژورنال: The Geologist
سال: 1858
ISSN: 1359-4656
DOI: 10.1017/s1359465600005864