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Registros recuperados: 5
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Neocyclops Gurney from Brazilian sandy beaches (Copepoda: Cyclopoida) Naturalis
Lotufo, Guilherme Ribeiro; Falavigna da Rocha, Carlos Eduardo.
Neocyclops medius Herbst, 1955 and Neocyclops vicinus (Herbst, 1955) are redescribed from intertidal interstitial water of sandy beaches along the Brazilian coast. The male of N. vicinus is described for the first time. Neocyclops vicinus can be easily distinguished from N. medius by the relatively longer caudal rami, the presence of a mandibular palp, and the sexually dimorphic antenna. This study revealed the leg 4 endopodite segments 2 and 3 as being fused in both species. The terminal segment of the 2-segmented leg 4 endopodite of the copepodite 5 does not differentiate into 2 distinct segments during the molt to adult. The plane of fusion is marked by a thin and incomplete line on the frontal surface. This scar was erroneously interpreted as a...
Tipo: Article / Letter to the editor Palavras-chave: Taxonomy; Crustacea; Cyclopoida; Neocyclops; Interstitial marine fauna; Brazil.
Ano: 1993 URL: http://www.repository.naturalis.nl/record/504011
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Neocyclops (Protoneocyclops) ferrarii, a new species of cyclopid (Copepoda: Cyclopoida) from Belize, with remarks on the morphology of the genus Neocyclops Naturalis
Falavigna da Rocha, Carlos Eduardo.
Neocyclops (Protoneocyclops) ferrarii sp. n. is described from Candy’s Pond, Twin Cays, Belize. It is morphologically closest to N. (P.) wellsi Petkovski, 1986 from Mozambique and N. (P.) herbsti Petkovski, 1986 from the Red Sea. Pediger 1 in Neocyclops is distinct although reduced and often concealed beneath the cephalic shield. Specimens of Neocyclops (N.) vicinus and N. (N.) medius showed the same condition, warranting the supposition that the free pediger 1 is a consistent feature of the genus. The genital double somite bears a transverse cuticular thickening which apparently supports the seminal receptacle. The importance of the integumental pore patterns of the urosome and legs as useful taxonomic characters is pointed out.
Tipo: Article / Letter to the editor Palavras-chave: Taxonomy; Crustacea; Copepoda; Cyclopoida; Neocyclops; Caribbean fauna; Belize; Brackish water.
Ano: 1995 URL: http://www.repository.naturalis.nl/record/504108
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Copepods from intertidal interstitial water of Salvador, Brazil. I. Cuipora janaina gen. n., sp. n. & Cyclopina caiala sp. n. (Cyclopoida: Cyclopinidae) Naturalis
Lotufo, Guilherme Ribeiro; Falavigna da Rocha, Carlos Eduardo.
Cuipora janaina gen. n., sp. n., and Cyclopina caiala sp. n. are described from the interstitial water of a sandy beach in Salvador, Bahia (Brazil). Cuipora is distinguished from all other genera of the subfamily Cyclopininae in having the endopodite of legs 1-4 2-segmented and the terminal segment armed with 4 setae. Cuipora is compared to Erythropolites Huys & Boxshall, 1990, Herbstina Huys & Boxshall, 1990, and Cyclopina Claus, 1862, with which it has most morphological similarities. Cyclopina caiala sp. n. is distinguished by the structure of the leg 5 of the male and female and by a particular combination of characters of the mouthparts. Taxonomical problems involving Cylopina mediterranea Steuer, 1940 are discussed.
Tipo: Article / Letter to the editor Palavras-chave: Cyclopoida; Crustacea; Taxonomy; New taxa; Interstitial; Brazil.
Ano: 1991 URL: http://www.repository.naturalis.nl/record/504287
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Two new species of Hemicyclops (Copepoda: Poecilostomatoida: Clausidiidae) associated with mud shrimps of the genus Callichirus from Brazil Naturalis
Kihara, Terue Cristina; Falavigna da Rocha, Carlos Eduardo.
Two new clausidiid copepods of the genus Hemicyclops (Poecilostomatoida: Clausidiidae) associated with mud shrimps are described from Brazil: Hemicyclops caissarum sp. n. associated with Callichirus major (Say, 1808) from a beach in Santos and Hemicyclops sebastiani sp. n., in burrows of Callichirus guassutinga (Rodrigues, 1971) in São Sebastião. H. caissarum is closest to H. carinifer Humes, 1965 from Madagascar and H. sebastiani can be easily distinguished from all its congeners by the presence of a thick, densely plumose seta on the antennule segment 2, and the greatly enlarged tergal plate of the 4th pediger. New records of Hemicyclops subadhaerens Gooding, 1960 and Hemicyclops thalassius Vervoort & Ramirez, 1966 from the Brazilian coast are also...
Tipo: Article / Letter to the editor Palavras-chave: Taxonomy; Associate copepods; Poecilostomatoida; Clausidiidae; Hemicyclops; Callichirus; Brazil.
Ano: 1994 URL: http://www.repository.naturalis.nl/record/503928
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Phylogeny and biogeography of the Ergasilidae (Copepoda, Poecilostomatoida), with reconsideration of the taxonomic status of the Vaigamidae Naturalis
Pinto da Motta Amado, Maria Auxiliadora; Ho, Ju-Shey; Falavigna da Rocha, Carlos Eduardo.
Nineteen genera are currently considered valid in the Ergasilidae. A cladistic analysis was conducted on these genera and the five genera composing the closely allied Vaigamidae. Nineteen morphological characters were selected and polarized using Anthessius (Anthessiidae) as the outgroup. The most parsimonious cladogram (tree length = 60, Consistency Index = 0.50, Retention Index = 0.71), obtained through the use of the BB command in Hennig 86, is composed of eight major clades, with the five vaigamid genera composing the most derived clade. Based on Wiley’s (1981) “sequencing” convention, the five vaigamid genera cannot be placed in a family separate from the Ergasilidae. The biogeography of the ergasilid genera is discussed. Vaigamus spinicephalus is...
Tipo: Article / Letter to the editor Palavras-chave: Phylogenetic analysis; Biogeography; Copepoda; Poecilostomatoida; Ergasilidae; Vaigamidae; Pseudovaigamus gen. n.
Ano: 1995 URL: http://www.repository.naturalis.nl/record/503932
Registros recuperados: 5
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