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Post-embryonic development and the phylogeny of geophilomorph centipedes (Chilopoda) 16
Minelli, Alessandro.
The post-embryonic development of six geophilomorph species is investigated using histology, biometry and field observations. No instance of anamorphosis was observed. Sexual maturity is reached at the 5th post-foetal stage in Schendyla nemorensis, Dicellophilus carniolensis, Henia (Chaetechelyne) vesuviana; at the 6th in Geophilus carpophagus, Strigamia crassipes; at the 8th in Stigmatogaster gracilis, suggesting that the Himantariidae differ from the remaining more advanced families. Post-maturational moults are less numerous in the more specialized mecistocephalids, schendylids and linotaeniids. Another derived character state (the appearance of the first coxal pore in the foetus) occurs in the mecistocephalid D. carniolensis.
Tipo: Article / Letter to the editor
Ano: 1985 URL: http://www.repository.naturalis.nl/record/504423
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Short notes and reviews Zoological nomenclature – reflections on the recent past and ideas for our future agenda 16
Minelli, Alessandro.
A couple of weeks after the start of my service as President of the International Commission on Zoological Nomenclature, a paper of mine appeared in the Bulletin of Zoological Nomenclature (Minelli, 1995) in which I outlined some major challenges to be faced by biological nomenclature in response to the changing paradigms of biological systematics. Now, with the approaching end of my six-year term as President, I wish to look in retrospect at the recent history of the Commission, briefly touching on successes and failures alike, and to outline what 1 now see, from the vantage point of my experience, as further challenges and responsibilities awaiting us; by “us” I mean not merely the Commission but all those active in the field of zoological (or...
Tipo: Article / Letter to the editor
Ano: 2001 URL: http://www.repository.naturalis.nl/record/534353
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Owen revisited: a reappraisal of morphology in evolutionary biology 16
Minelli, Alessandro; Schram, Frederick R..
A new analysis within the framework of developmental genetics provides both raw data and theoretical support to the “old” morphology and suggests a new, more predictive, approach to the concept of homology. We distinguish between “positional homologues” and “structural homologues” as independent components of the more general concept of homology. We discuss some general patterns seen in the anatomy of animals and in their morphogenesis. Slack et al. (1993) advanced the concepts of the “zootype”, a particular spatial pattern of gene expression, and the “phylotype”, a particular stage of embryonic development that expresses the zootype. We build upon these concepts and expand them. This allows us to propose some additional phylotypes (arthrotype, cyclotype,...
Tipo: Article / Letter to the editor Palavras-chave: Homology; Phylotype; Macroevolution; Morphogenesis.
Ano: 1994 URL: http://www.repository.naturalis.nl/record/504249
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