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Sieve-type pore canals in the Timiriaseviinae-A contribution to the comparative morphology and the systematics of the Limnocytheridae (Ostracoda, Crustacea). | LitMetric

AI Article Synopsis

  • The study investigates the diversity of sieve-type pore canals in ten genera of the family Limnocytheridae, using advanced scanning electron microscopy techniques to analyze their structure and distribution.
  • It compares timiriaseviine taxa with species from other genera, revealing significant insights into their anatomical variations.
  • The research emphasizes the role of normal pore canals in taxonomic classification and introduces a new tribe, Gomphodellini, within the subfamily Timiriaseviinae.

Article Abstract

Examination of normal pore canals, especially sieve-type pore canals, in living and fossil representatives of ten genera of the family Limnocytheridae, subfamily Timiriaseviinae, has revealed important diversity of structure. These complex pore canals have been studied via high-resolution scanning electron microscopy (the Cartographic Method) and analysed via the application of newly devised indices to assess patterns of consistency and variation in both detailed structure of individual pores and of their distribution on the calcified valve. The timiriaseviine taxa are compared with species of the genera Limnocythere, sub-family Limnocytherinae and Cyprideis (family Cytherideidae). The relationship between the living animal and its aquatic environment is discussed in the light of previous studies and of new evidence herein. The importance of normal pore canals for systematics is highlighted by the recognition and definition of the new tribe Gomphodellini Danielopol, Cabral Lord nov. tribe, subfamily Timiriaseviinae, family Limnocytheridae.

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Source
http://dx.doi.org/10.11646/zootaxa.4495.1.1DOI Listing

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