Present communication reports the diversity of intertidal Ophiuroidea (Phylum: Echinodermata) from zones Saurashtra coastline, Gujarat state. coastlines were extensively surveyed January 2019 to March 2022 for diversity. A total nine species belonging eight genera and six families noted coastline. Amongst these, Macrophiothrix variabilis, Ophiothrix savignyi Ophiomaza cacaotica are newly observ...

The genus Macroocula Panfilov in Egypt is reviewed. Seven species were previously recorded from Egypt: M. magna (Invrea, 1965), M. mahunkai Argaman, 1994, M. morawitzi (Radoszkowski, 1888), M. nigriventris (Invrea, 1960), M. nitida (Bischoff, 1920), M. savignyi (Klug, 1829) and M. sinaica (Invrea, 1963). Macroocula brothersi Gadallah & Soliman, sp. nov. (Egypt, Wadi Shab, Red Sea) and M. salehi...

In this paper we propose a chaining method that can align a draft genomic sequence against a finished genome. We introduce the use of an overlap tree to enhance the state information available to the chaining procedure in the context of sparse dynamic programming, and demonstrate that the resulting procedure more accurately penalizes the various biological rearrangements. The algorithm is teste...

The validity of the published description of Hyla rufitela is questioned because the origin of the described tadpoles does not correspond to the distribution of this species. The present description, based on tadpoles that were hatched from two egg masses from the Caribbean lowland of Costa Rica, includes tadpoles raised to adult frogs to verify the species. The newly described tadpoles differ ...

We evaluated two biodiversity criteria, higher taxonomic diversity and phylogenetic diversity in French Guiana. For this, we used a recent assessment of the knowledge accumulated since 30 years of study on the amphibian species currently known in French Guiana. We focused on two well-represented genera, Hyla and Scinax, belonging to the subfamily Hylinae. We used partial sequences of two mitoch...

For polyploid species to persist, they must be reproductively isolated from their diploid parental species, which coexist at the same time and place at least initially. In a complex of biparentally reproducing tetraploid and diploid tree frogs in North America, selective phonotaxis--mediated by differences in the pulse-repetition (pulse rate) of their mate-attracting vocalizations--ensures asso...