South Atlantic Ocean - Latest works

Meiofauna samples were collected using the multicorer during three FS POLARSTERN research expeditions to the Southern Ocean between 2013 and 2019. The samples yielded, among other…

Four new species of the flabby whalefish genus Gyrinomimus Parr, 1934 are described based on female specimens: G. alepis sp. nov. from the southern Atlantic, G. amaokai sp. nov. f…

As part of our Neotropical Dyopsinae Project, a revision of the Neotropical genus Sosxetra Walker is proposed. Morphological and molecular evidence challenge its previous monotypi…

A new valviferan isopod—Edotia dotiae sp. nov.— is described from the shallow coastal waters of Argentine Patagonia. The specimens were collected during three different expedition…

In this paper, Mimogeniates margaridae Martínez (Scarabaeidae, Rutelinae, Geniatini) is synonymized with Leucothyreus noctivagus Ohaus (syn. nov.). Hence, the monotypic genus Mimo…

Museum collections continue to play a critical role in taxonomic research by preserving historical material and biodiversity records that might otherwise have been lost. In the pr…

The Neotropical species of the hoverfly genus Serichlamys Curran, 1925 are revised. A total number of 14 Neotropical species are recognized, two of which were previously described…

The discovery and description of a new representative of the Ceratonotus group (Copepoda, Harpacticoida, Cletodidae T. Scott) in the Grussaí Canyon off the coast of Brazil opened …

A new species, Stemonosudis adenensis sp. nov., of slender barracudina is described based on a specimen collected off Somalia, Western Indian Ocean. The new species differs from i…

A four-year survey for Notonectidae (Insecta: Hemiptera: Heteroptera: Nepomorpha) was conducted in eleven conservation units and adjacent areas distributed over six states in nort…

Cladocera fulvipennis Jacoby is transferred to Afrotropicaltica gen. nov., here described. The new genus belongs to the group of Afrotropical genera traditionally attributed to th…

Megamelus is a genus of Delphacidae widely distributed and mostly associated with plants in freshwater environments. Despite various taxonomic revisions and thorough research, the…

A comprehensive revision is presented of the Oriental and Australasian diving beetle genus Sandracottus Sharp, 1882 (Coleoptera: Dytiscidae: Dytiscinae: Aciliini) and seven junior…

A new species of Osedax is described here using molecular and morphological data. It was found at the depth of 550 m off the Brazilian coast through experimental deployment of cow…

Micropholcus Deeleman-Reinhold & Prinsen, 1987 is one of only two Pholcidae genera known to occur both in the Old and New Worlds. However, there are major morphological and ecolog…

A recently published molecular phylogenetic analysis, focusing on selected Western Atlantic subspecies of Acetes americanus Ortmann, 1893 and allies, was inconclusive about relati…

The Caatinga, an exclusive biome in Brazil, is the largest tropical dry forest area in the Americas. It is characterized by a semi-arid climate and various soils that harbor a gre…

Pinniped respiratory mites of the species Orthohalarachne attenuata have been recorded from various locations around the world but not from continental Argentina. In the present w…

The Galeommatoidea are a diverse but little-studied group of small bivalves, well known for the symbiotic relationships many species have with a range of invertebrate taxa. Four s…

The Palaearctic species of Aphodius Hellwig, 1798, subgenus Liothorax Motschulsky, 1860 are revised using a combination of chromosome analysis, molecular phylogenetics and morphol…

The Old World braconine wasp genus Trigastrotheca Cameron is revised. The genus is recorded from the island of Madagascar for the first time based on two new species, T. christian…

A new species of the order Zoraptera, Zorotypus komatsui Matsumura, Maruyama, Ntonifor & Beutel, sp. nov., is described from Cameroon. The female and male morphology of another sp…

Lumbrineriopsis dulcis sp. nov. is morphologically described from the continental shelf and slope of Espírito Santo and the Campos Basin of Rio de Janeiro state, southeastern Braz…

A parasite-host list of cestodes parasitizing chondrichthyans in the Southwest Atlantic off Argentina and surrounding waters of Antarctica is compiled based on the available liter…

Uncertainties regarding the taxonomic status and biogeographical distribution of some species of the genus Emerita from the western Atlantic led to thorough examination of the sub…

The microcaddisfly (Trichoptera: Hydroptilidae) fauna is catalogued from a review of more than 1,300 literature citations through the end of 2020 to include 2,665 currently recogn…

Thirteen new species of Euconnus Thomson (Staphylinidae: Scydmaeninae: Glandulariini) are described from the southern Appalachian Mts, USA: Euconnus megalops sp. nov., E. vexillus…

Thirty species of Curculionoidea (28 Curculionidae and one each of Brentidae and Nemonychidae) are reported as new records from the Canadian province of Newfoundland and Labrador,…

Littorinid snails are present in most coastal areas globally, playing a significant role in the ecology of intertidal communities. Laevilitorina is a marine gastropod genus distri…

Amydetinae is an exclusively Neotropical subfamily of fireflies, distributed among three genera: Amydetes Illiger, 1807, Magnoculus McDermott, 1964, and Memoan Silveira & Mermudes…

There is a growing interest in the exploitation of deep-sea mineral deposits, particularly on the abyssal seafloor of the central Pacific Clarion-Clipperton Zone (CCZ), which is r…

Globally, South Africa ranks in the top five countries regarding marine species richness per unit area. Given the high diversity, it is not surprising that many invertebrate taxa …

The herpetological collections of the Instituto de Investigação Científica Tropical, Lisbon, are amongst the most important collections from the former Portuguese territories in A…

The taxonomic boundaries of many Neotropical ant species of the genus Tapinoma are still unclear. Tapinoma atriceps and T. atriceps breviscapum are two morphologically similar tax…

Amathillopsidae is a widely distributed, but rarely sampled family of deep-sea amphipods. During a recent expedition to the North Atlantic, specimens were filmed clinging to a pol…

Forty-nine new species of Neotropical Exosternini are described in this work, representing the newly recognized Phelister blairi species group, within the large, heterogeneous tax…

The endemic Neotropical genus Gaujonia Dognin is revised. Morphological characters and a phylogenetic analysis demonstrate paraphyletic relationships among the species. Four diffe…

The order Coronatae (Scyphozoa) includes six families, of which Nausithoidae Haeckel, 1880 is the most diverse with 26 species. Along the Brazilian coast, three species of the gen…

The imago and soldier castes of a new Tauritermes Krishna, 1961 species, Tauritermes bandeirai sp. nov. are described. It is the fourth species of Tauritermes and occurs from the …

Espírito Santo state is located on the eastern margin of Brazil, in a transitional tropical-subtropical area (18°S–21°S) dominated by oligotrophic waters. With the exception of hu…

Species of the genera of the Cryptopygus complex in South Africa are morphologically revised. Five new species of the genus Cryptopygus Willem, 1902 s. s. and one new species of t…

Benthic environmental impact assessments and monitoring programs accompanying offshore hydrocarbon industry activities result in large collections of benthic organisms. Such colle…

A reliable taxonomy, together with more accurate knowledge of the geographical distribution of species, is a fundamental element for the study of biodiversity. Multiple studies on…

Gentiana daofuensis, a new species of the family Gentianaceae, is described and illustrated here. Currently, this species is known only from Daofu County, Sichuan Province, China.…

Raphia is a genus of palm belonging to the family Arecaceae composed of 22 species. Recent floral treatments of the genus have been published for the Central African region but da…

Species identified as Pillucina are paraphyletic in molecular analyses and a new generic name, Rugalucina, is introduced for a complex of three similar species Rugalucina angela f…

Atlantid heteropods are a family of holoplanktonic marine gastropods that occur primarily in tropical and subtropical latitudes. Atlantids bear a delicate aragonitic shell (<14 mm…

Sigambra grubii Müller, 1858 has been reported from many different coastal environments in Brazil and the Grand Caribbean. However, more than one species was thought to be include…

The present study presents a revision of the genus Ceriantheomorphe Carlgren, 1931, including redescriptions of the two presently recognized species, Ceriantheomorphe ambonensis (…

The genus Tsitsikamma Samaai & Kelly, 2002 is to date exclusively reported from South Africa. Three species are known from the southern coast: Tsitsikamma favus Samaai & Kelly, 20…