Alberto M. Simonetta

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Mollusc-like Organism (White Sea Region, Russia): Paleoecological and Evolutionary Implications Mikhail A. Fedonkin , Alberto Simonetta & Andrei Yu. Ivantsov Paleontological Institute, Russian Academy of Sciences, 123 Profsoyuznaya, Moscow, Russia 117868 Emails:; Dipartimento di Biologia Animale e Genetica “Leo Pardi”,(More)
The author discusses, on the evidence of some typical examples, some problems in the assessment of homologies which have surfaced by the integration of ultrastructural and genetic evidences in the assessment of the morphologic and evolutionary significance of structures. He thence considers problems of correct assessment of homologies as true apomorphic(More)
The level of biotic organization may be considered from different perspectives and these are briefly outlined. A merely structural level of the individuals is the most traditional approach, but it must be considered that there is a basic difference between a simple structure that is actually primitive and such highly evolved conditions as obtain in some(More)
Triptase is an enzymatic protein found in the mastocytes. Although the biological role of this substance is not fully understood, significant amounts of it are found in the nasal secretions of allergic subject both when naturally exposed to the allergen and when subject to specific nasal provocation tests. The present study uses a radioimmunological method(More)
Contents 1. Introduction 2. General considerations 3. Killing of wild animals to remove obstacles for possible alternative land developments 4. The illegal taking or destroying of marine animals 5. Poaching animals for food 6. Killing of wild animals to protect crops or properties 7. Poaching animals for profit 8. General strategies for the control of(More)
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