Descriptions of 21 red algal species collected in March and November 2008 and June 2010 are given. They are considered new records for Cabezo reef in the southeastern part of the National Park Sistema Arrecifal Veracruzano (NPSAV), southwestern Gulf of…

The Early Cretaceous Scleractinian coral genus Holocystis Lonsdale, 1849 -first reported for southern England and for a long time believed to be restricted to this region- is easy to recognise but it is also rare. Abundant material from the Late…

In order to evaluate the risk for marine ecosystem and human health, the diversity and morphology of diatoms of the genus Pseudo-nitzschia were studied. Weekly sampling was performed at seven geo-referenced sites in the National Park Sistema Arrecifal Veracruzano, SW…

New combinations are proposed here for 26 species and one variety belonging to 13 genera of Mexican Orchidaceae.These combinations are required to comply with current taxonomic concepts and ongoing revisionary treatment of the orchids of mexico. The collector and number…

The hybosorine genus Aporolaus Bates is taxonomically revised. The genus was previously considered as synonym of Dicraeodon Erichson and, based on a detailed morphological study, is reinstated herein. A generic description and diagnosis for A. fimbriatus Bates, the only known…

A new genus of oak gallwasp, Kokkocynips Pujade-Villar & Melika gen. n., is described from Mexico. Diagnostic characters and generic limits of the new genus are discussed in detail. Galls were found on branches of Quercus acutifolia Nee. Diagnostic characters,…

Based on a systematic study of the Mexican species in the Tillandsia viridiflora complex, the taxonomic and nomenclatural status of these species is clarified. The former synonym T. macropetala is reestablished as a species. An identification key for the complex…

Funginella? isfahanensis n. sp. is a new nominal solitary scleractiniid coral from the upper Albian of Iran. Its dimensions, associated sedimentary facies and descriptions, all conform to those of the four specimens described as "Funginella sp. 2" in Abdel-Gawad and…

The present contribution is the first instalment of a systematic revision of the Early Cretaceous (Barremian to Early Albian) corals of Puebla, Mexico. The coral fauna preserved in the Tehuacan region represents one of the most species rich associations of…

Specimens of Schizopera Sars, 1905 were found during sampling in 2 brackish systems in central and southern Sinaloa (north-western Mexico). The specimens turned out to belong to Schizopera (Schizopera) knabeni Lang, 1965 which was originally described from Monterey Bay (the…