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Full-Text Articles in Life Sciences

Distributional And Ecological Notes On The Halfbeaks Of Eastern Gulf Of Mexico, With A Provisional Key For Their Identification, S. Contreras-Balderas, M.L. Lozano-Vilano, M.E. Garcia Ramirez Jan 1997

Distributional And Ecological Notes On The Halfbeaks Of Eastern Gulf Of Mexico, With A Provisional Key For Their Identification, S. Contreras-Balderas, M.L. Lozano-Vilano, M.E. Garcia Ramirez

Gulf and Caribbean Research

Several fishes of the halfbeak genus Hyporhamphus occurring in the Mexican Gulf of Mexico and Caribbean Sea have been misidentified or confused in the literature. Most of it has centered around the taxonomic status of H. unifasciatus (including its synonym H. roberti), which is shown to comprise a complex of three species, H. unifasciatus, the recently described H. meeki, from the western Atlantic region, and an undescribed species from the eastern Pacific Ocean. Another eastern Mexico halfbeak is the freshwater form H. mexicanus. Using Banford and Collette (1993), we examined specimens from collections at UANL, UNAM, IPN, and ECOCH and ...


The Euphorbiaceae Of Sonora, Mexico, Victor W. Steinmann, Richard S. Felger Jan 1997

The Euphorbiaceae Of Sonora, Mexico, Victor W. Steinmann, Richard S. Felger

Aliso: A Journal of Systematic and Floristic Botany

This publication is an account of the Euphorbiaceae in the state of Sonora, México. Nineteen genera, 143 species, and three additional varieties are recorded for the state; three species expected within the state are also treated. One species of Acalypha and three species and one subspecies of Euphorbia are described. Dichotomous keys for the identification of genera and species are provided. Bibliographic citations, type information, synonyms, brief habit descriptions, times of reproduction, habitat preferences as well as elevational range within Sonora, geographical distribution, and representative specimens are given for each species. When appropriate, notes on uses, taxonomic or nomenclatural problems ...