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TAXONOMIC IMPORTANCE OF THE FRONTAL APPENDAGE IN THE GENUS DENDROCEPHALUS (ANOSTRACA: THAMNOCEPHALIDAE)
- G. Pereira
- 1 April 1983
A morphological analysis of the frontal appendage of the genus Dendrocephalus (Anostraca: Thamnocephalidae) shows that the basic morphological pattern is constant, and diagnostic for the genus.
Ancient androdioecy in the freshwater crustacean Eulimnadia
- S. Weeks, T. F. Sanderson, W. Hoeh
- Biology, Environmental ScienceProceedings of the Royal Society B: Biological…
- 22 March 2006
Evidence is reported of widespread and ancient androdioecy in crustaceans in the genus Eulimnadia, based on observations of over 33 000 shrimp from 36 locations from every continent except Antarctica, that has persisted for 24–180 million years and has been maintained through multiple speciation events.
NEW SPECIES, CLADISTIC RELATIONSHIPS, AND BIOGEOGRAPHY OF THE GENUS FREDIUS (DECAPODA: BRACHYURA: PSEUDOTHELPHUSIDAE) FROM SOUTH AMERICA
The phylogenetic relationships within Fredius, studied by means of a cladistic analysis, showed that most of them were present in a hypothetical major basin comprising the present Orinoco, Essequibo, and Cuyuni rivers, and that much of the evolution of the group occurred there.
Three new species of Dendrocephalus (Anostraca: Thamnocephalidae) from central and south America
Vascular flora of the Upper Paraná River floodplain.
- M. C. Souza, K. Kawakita, S. Slusarski, G. Pereira
- Environmental ScienceBrazilian journal of biology = Revista brasleira…
- 1 June 2009
The results presented herein suggest the need to further investigate the control of these potential weed species, which are considered weeds due to the wide distributions determined for these species.
A REVIEW OF THE CLAM SHRIMP FAMILY LIMNADIIDAE (BRANCHIOPODA, CONCHOSTRACA) FROM VENEZUELA, WITH THE DESCRIPTION OF A NEW SPECIES
A revision of clam shrimps of the family Limnadiidae from Venezuela resulted in eight species, of which seven belong to the genus Eulimnadia and one to Metalimnaria, and one new limnadiid species, EulIMnadia follisimilis, is described.
Two New Species of Dendrocephalus (Anostraca: Thamnocephalidae) From Venezuela
- G. Pereira
The morphology of the frontal appendage typical of the genus Dendrocephalus is described, and a differential diagnosis and photographs taken using the scanning electron microscope are included.
Freshwater shrimps from Venezuela. III: Macrobrachium quelchi (De Man) and Euryrhynchus pemoni, N. SP.; (Crustacea: Decapoda: Palaemonidae) from La Gran Sabana
- G. Pereira
Euryrhynchus pemoni, new species, the fourth species in the genus, is described from the highland plateau in the southeast Venezuela in the headwaters of rivers that discharge into the Orinoco River basin.
A review of the clam shrimp family Leptestheriidae (Crustacea: Branchiopoda: Spinicaudata) from Venezuela, with descriptions of two new species
The clam shrimps of the family Leptestheriidae from Venezuela are reviewed and two new species ( L. cristata n. sp . and L. brevispina n.Sp. sp. ) are presented.
Phylogenetic Relationships in Some Species of the Genus Macrobrachium Based on Nucleotide Sequences of the Mitochondrial Gene Cytochrome Oxidase I
A phylogeny for four species of the freshwater prawn genus Macrobrachium based on the partial nucleotide sequence of the mitochondrial cytochrome c oxidase subunit I gene is presented, consistent with previous studies based on morphological data.