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Items for "taxonomy"

Skull size and shape of Dasymys (Rodentia, Muridae) from sub-Saharan Africa

Three morphological datasets (traditional measurements, dorsal and ventral skull shape coordinates) were used to examine craniometric variation in the water rat Dasymys, a genus found throughout sub-Saharan Africa...

Keywords: taxonomy, systematics, morphometrics, rodents, Africa

10/2004 | Mammalia, Walter de Gruyter
Taxonomic status of Micronycteris homezi (Chiroptera, Phyllostomidae)

There are currently six species of Micronycteris (sensu stricto) recognized in Venezuela, of which three have pale venters: M...

Keywords: taxonomy, morphology, Morphometry, Chiroptera, Venezuela

12/2005 | Mammalia, Walter de Gruyter
Taxonomy and distribution of the Brazilian species of Thylamys (Didelphimorphia: Didelphidae) / La taxonomie et la distribution des espčces brésiliennes du genre Thylamys (Didelphimorphia: Didelphidae)

The recent increase in mammal inventories and the widespread use of pitfall traps as a major capture method in Brazil have increased the number of non-volant small mammal specimens in scientific collections, providing new information on natural history, geographical range, and taxonomic status of many marsupials and rodents...

Keywords: Brazil, distribution, natural history, taxonomy, Thylamys karimii, Thylamys macrurus, Thylamys velutinus, Brésil, histoire naturelle, Taxonomie

02/2006 | Mammalia, Walter de Gruyter
A new species of Minidiscus (Diatomophyceae, Thalassiosiraceae) from the eastern English Channel, France

The taxonomy of the genus Minidiscus, whose generic name refers to its small size and shape, is revised...

Keywords: diatom, English Channel, Minidiscus, taxonomy, Thalassiosiraceae

07/2004 | Botanica Marina, Walter de Gruyter
Vegetative and reproductive morphology of Sargassum orotavicum sp. nov. (Fucales, Phaeophyceae) from the Canary Islands (eastern Atlantic Ocean)

A population of seaweeds from the Canary Islands successively reported as Sargassum diversifolium, S...

Keywords: Canary Islands, Fucales, macroalgae, Sargassum orotavicum, taxonomy

12/2004 | Botanica Marina, Walter de Gruyter
The marine algal (seaweed) flora of the Azores: additions and amendments

Thirteen species of benthic marine algae are reported new for the isolated mid-Atlantic Azores archipelago and five older records are confirmed...

Keywords: Azores, benthic marine macroalgae, biogeography, morphology, taxonomy

07/2005 | Botanica Marina, Walter de Gruyter
The prostrate system of the Gelidiales: diagnostic and taxonomic importance

Despite numerous recent studies on the Gelidiales, most taxa belonging to this order are still difficult to distinguish when in the vegetative or tetrasporic state...

Keywords: attachment, Gelidiales, Pterocladiaceae, rhizoids, rhizines, taxonomy

02/2006 | Botanica Marina, Walter de Gruyter
A re-evaluation of the taxonomic status of Halophila euphlebia Makino (Hydrocharitaceae) based on morphological features and ITS sequence data

Identification of Halophila ovalis samples from various parts of the world has long been accompanied by taxonomic uncertainties because of morphological variability...

Keywords: Halophila euphlebia, ITS, morphology, taxonomy

04/2006 | Botanica Marina, Walter de Gruyter
Antithamnionella multiglandulosa sp. nov. (Rhodophyta, Ceramiaceae) from the Atlantic Iberian Peninsula

Antithamnionella multiglandulosa is described as a new species from the Atlantic side of the Iberian Peninsula...

Keywords: Antithamnionella, Atlantic Iberian Peninsula, Ceramiaceae, Rhodophyta, taxonomy

04/2006 | Botanica Marina, Walter de Gruyter
Scale-bearing nanoflagellates from southern Tasmanian coastal waters, Australia. II. Species of Chrysophyceae (Chrysophyta), Prymnesiophyceae (Haptophyta, excluding Chrysochromulina) and Prasinophyceae (Chlorophyta)

Twenty-eight species of scale-bearing nanoflagellates from southern Tasmanian waters are illustrated and discussed (excluding the haptophyte Chrysochromulina, previously reported (LeRoi and Hallegraeff 2004), and coccolithophorids)...

Keywords: nanoflagellates, Tasmanian waters, taxonomy, Transmission electron microscopy

07/2006 | Botanica Marina, Walter de Gruyter
Vegetative and reproductive morphology of Kallymenia patens (Kallymeniaceae, Rhodophyta) in the Mediterranean Sea

Reproductive morphology of the Mediterranean red alga Kallymenia patens is described for the first time, confirming its position in the genus...

Keywords: Kallymenia patens, Kallymeniaceae, reproduction, Rhodophyta, taxonomy

09/2006 | Botanica Marina, Walter de Gruyter
Rhodolith bed: a newly discovered habitat in the North Pacific Ocean

Rhodoliths are unattached calcareous red algae that form extensive beds. Although rhodolith beds are widely distributed in temperate and tropical areas, a recent discovery in the North Pacific Ocean represents a significant northward extension of known rhodolith distribution...

Keywords: Alaska, Habitat, morphology, rhodolith, taxonomy

09/2006 | Botanica Marina, Walter de Gruyter
Morphology of Chrysochromulina planisquama sp. nov. (Haptophyta, Prymnesiophyceae) isolated from Jiaozhou Bay, China

Chrysochromulina planisquama sp. nov. is described from the cultures originating from water samples collected in Jiaozhou Bay, Yellow Sea...

Keywords: Chrysochromulina planisquama sp. nov, Jiaozhou Bay, Prymnesiophyceae, taxonomy, Yellow Sea

01/2005 | Botanica Marina, Walter de Gruyter
A reassessment of Halophila species (Hydrocharitaceae) diversity with special reference to Japanese representatives

In a recent review of the seagrass genus Halophila in Japan, eight taxa including four new species were listed: (i) H...

Keywords: Halophila, ITS, Japan, morphology, taxonomy

07/2008 | Botanica Marina, Walter de Gruyter
Comparative karyology of Palearctic marmots (Marmota, Sciuridae, Rodentia)

G- and nucleolar organizer regions-banded chromosomal sets of some Palearctic Marmota species were examined...

Keywords: chromosomes, evolution, Marmota, Palearctic, taxonomy

03/2008 | Mammalia, Walter de Gruyter
Ceramium periconicum sp. nov. (Ceramiaceae, Rhodophyta): a new subtidal species from Baja California Sur, Mexico

Ceramium periconicum sp. nov. is described from Baja California Sur, Mexico based on the developmental morphology of vegetative and reproductive plants...

Keywords: Ceramiaceae, Ceramium, Ceramium periconicum sp. nov, Rhodophyta, taxonomy

08/2008 | Botanica Marina, Walter de Gruyter
Taxonomy and molecular phylogeny of Arthrobotrys mangrovispora, a new marine nematode-trapping fungal species

Arthrobotrys mangrovispora sp. nov. (fungi) isolated from decaying submerged wood in mangroves of Hong Kong is described and illustrated...

Keywords: Arthrobotrys, mangrove, nematode-trapping fungi, Orbiliaceae, phylogeny, taxonomy

08/2008 | Botanica Marina, Walter de Gruyter
Review of the earliest Central European Ochotona (Mammalia: Lagomorpha), with a description of a new species from Poland

The fossil record of the Late Pliocene and Early Pleistocene Ochotona in Central and Western Europe is sparse...

Keywords: Biharian, Lagomorpha, Ochotona zabiensis sp. nov, taxonomy, Villányian

06/2008 | Mammalia, Walter de Gruyter
Diplopsalopsis kisselevii sp. nov. (Dinophyceae) from the northwestern Sea of Japan

A new species of the genus Diplopsalopsis, D. kisselevii sp...

Keywords: dinoflagellates, Dinophyceae, Diplopsalopsis, morphology, Sea of Japan, taxonomy

05/2008 | Botanica Marina, Walter de Gruyter
Laurencia caduciramulosa (Ceramiales, Rhodophyta) from the Canary Islands, Spain: a new record for the eastern Atlantic Ocean

Laurencia caduciramulosa is recorded for the first time for the eastern Atlantic Ocean off Tenerife, Canary Islands, Spain...

Keywords: Atlantic Ocean, Canary Islands, Geographical distribution, Laurencia caduciramulosa, taxonomy

05/2008 | Botanica Marina, Walter de Gruyter
Nanoflagellates from coastal waters of southern Brazil (32°S)

A taxonomic survey of nanoflagellates in the extreme southern Brazilian coastal waters of the Patos Lagoon estuary and adjacent coastal shelf was undertaken using transmission electron microscopy...

Keywords: Chrysophyceae, Haptophyta, pedinellids, Prasinophyceae, taxonomy

02/2008 | Botanica Marina, Walter de Gruyter
Taxonomic study of two Sargassum species (Fucales, Phaeophyceae) from the Ryukyu Islands, southern Japan: Sargassum ryukyuense sp. nov. and Sargassum pinnatifidum Harvey

Species of the genus Sargassum (Fucales, Phaeophyceae) belonging to the Schizophycus group (in subgenus Sargassum sensu lato) from the Ryukyu Islands, southern Japan, were morphologically reinvestigated, and two entities were recognized: Sargassum ryukyuense sp...

Keywords: Okinawa, Phaeophyceae, Sargassum pinnatifidum, Sargassum ryukyuense, taxonomy

02/2008 | Botanica Marina, Walter de Gruyter
Rostrupiella danica gen. et sp. nov., a Lulworthia-like marine lignicolous species from Denmark and the USA

A Lulworthia-like species with affinities to Lulworthia opaca (=Halophiobolus opacus) and L...

Keywords: Lulworthiaceae, marine ascomycetes, phylogeny, taxonomy

12/2007 | Botanica Marina, Walter de Gruyter
Status of the African bats Vesperugo grandidieri Dobson 1876 and Vesperugo flavescens Seabra 1900 (Chiroptera, Vespertilionidae), with description of a new subgenus

The taxonomy of some African vespertilionid bats of uncertain status is studied. Analysis of the original description of Vesperugo flavescens Seabra 1900 and subsequent examination and discussion of a syntype specimen of V...

Keywords: Afropipistrellus n-s-g, Chiroptera, Eptesicus capensis angolensis, taxonomy, Vesperugo flavescens, Vesperugo grandidieri

01/2007 | Mammalia, Walter de Gruyter
Morphological and chromosomal taxonomic assessment of Sylvilagus brasiliensis gabbi (Leporidae)

The cottontail rabbit species, Sylvilagus brasiliensis, is currently understood to be constituted by 18 subspecies ranging from east central Mexico to northern Argentina, and from sea level to at least 4800 m in altitude...

Keywords: Central America, cytogenetics, Panama, Sylvilagus, Sylvilagus brasiliensis, Sylvilagus gabbi, systematics, taxonomy

01/2007 | Mammalia, Walter de Gruyter