Blar i Department of Natural History på tittel
Viser treff 205-224 av 321
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A new phylogeny of the Cephalaspidea (Gastropoda: Heterobranchia) based on expanded taxon sampling and gene markers
(Peer reviewed; Journal article, 2015-08)The Cephalaspidea is a diverse marine clade of euthyneuran gastropods with many groups still known largely from shells or scant anatomical data. The definition of the group and the relationships between members has been ... -
New records of fossil deep-sea shark teeth from the Lillebælt Clay (Early–Middle Eocene) of Denmark
(Journal article; Peer reviewed, 2023)This study describes for the first time a number of distinct fossil teeth documenting several deep-sea shark species from the Eocene, which were previously not recorded from the North Sea Basin, including Apristurus sp., ... -
New species and records of Pseudochironomini Sæther, 1977 (Diptera, Chironomidae) from the Dominican Republic
(Journal article; Peer reviewed, 2023)Background: Pseudochironomini is a relatively small and poorly-studied tribe of subfamily Chironominae (Diptera, Chironomidae). New information: Pseudochironomus ruthae Andersen & Baranov sp. nov. is described and ... -
New species of Ampharetidae (Annelida: Polychaeta) from the Arctic Loki Castle vent field
(Peer reviewed; Journal article, 2016-03)Ampharetid polychaetes adapted to live in chemosynthetic environments are well known from the deep Pacific and Atlantic Oceans, but to date no such species have been reported from the Arctic Ocean. Here, we describe two ... -
A new species of Fissimentum Cranston & Nolte, 1996 from the state of São Paulo, Brazil (Diptera: Chironomidae, Chironominae)
(Peer reviewed; Journal article, 2019)Fissimentum mendesi n. sp. is described and figured on the basis of males collected in light traps in two localities in the state of São Paulo, Brazil. The new species is apparently closely related to F. desiccatum Cranston ... -
A new species of Sagiolechia (Sagiolechiaceae) from Norway, with lirelliform ascomata and 1-septate ascospores
(Journal article; Peer reviewed, 2020)The new species Sagiolechia monoseptata is described from the northern boreal zone of Norway where it was found on a shaded siliceous rock under a boulder in a north-facing, small, steep scree. It is characterized by the ... -
A new species of Sagiolechia (Sagiolechiaceae) from Norway, with lirelliform ascomata and 1-septate ascospores
(Journal article; Peer reviewed, 2021)The new species Sagiolechia monoseptata is described from the northern boreal zone of Norway where it was found on a shaded siliceous rock under a boulder in a north-facing, small, steep scree. It is characterized by the ... -
A new species of the deep-sea genus Scaphander (Gastropoda, Cephalaspidea) from the Mar del Plata submarine canyon off Argentina
(Journal article; Peer reviewed, 2020)Scaphander Montfort, 1810, is a genus of deep-sea, soft-bottom gastropods composed of approximately 23 species distributed worldwide. The systematics of the genus in the Atlantic was recently revised and eight species were ... -
New species of the genus Chimarra Stephens from Africa (Trichoptera, Philopotamidae) and characterization of the African groups and subgroups of the genus
(Journal article; Peer reviewed, 2022)This paper is primarily based on collections in Tanzania and Ghana in 1990–1991 and 1991–1994, respectively. In all, 46 species of Chimarra were collected, 31 of them new species. All these species are illustrated or ... -
A new species Zachvatkinibates svanhovdi sp. nov. (Acari: Oribatida: Punctoribatidae) from Norway with comments on Punctoribatidae in Fennoscandia
(Journal article; Peer reviewed, 2023)The adults of the new species Zachvatkinibates svanhovdi A. Seniczak & S. Seniczak sp. nov. are described and illustrated from Norway, and this is the first finding of Zachvatkinibates Shaldybina, 1973 in Fennoscandia. ... -
A New Stenothoid (Crustacea: Amphipoda: Stenothoidae) from a Shallow Water Hydroid Polyp in British Columbia, Canada
(Journal article; Peer reviewed, 2023)A new stenothoid species is described from a hydroid polyp in British Columbia, Canada. The new species is provisionally assigned to Metopa as M. insolita sp. nov., pending revision of this genus. -
A new, darkwinged species of Pseudochironomus Malloch, 1915 (Diptera: Chironomidae) from Mexico and Costa Rica
(Journal article; Peer reviewed, 2024)A new species of Pseudochironomus Malloch, Citation1915 is described and figured as adult male and female based on material from Chiapas (Mexico) and Heredia (Costa Rica). Pseudochironomus seipi sp. n. can be distinguished ... -
No evidence for widespread island extinctions after Pleistocene hominin arrival
(Journal article; Peer reviewed, 2021)The arrival of modern humans into previously unoccupied island ecosystems is closely linked to widespread extinction, and a key reason cited for Pleistocene megafauna extinction is anthropogenic overhunting. A common ... -
Noen spesielle dammer i Bergensområdet og bruken av fisk
(Working paper, 2019) -
Numbers of Horned Lark Eremophila alpestris are increasing at high alpine and arctic breeding sites in Norway
(Journal article; Peer reviewed, 2022)Strong declines in number of breeding Horned Larks Eremophila alpestris were reported from several Fennoscandian breeding grounds in the 1960s and 1970s. Counts from the species’ high alpine breeding grounds at Hardangervidda, ... -
Ocean current connectivity propelling the secondary spread of a marine invasive comb jelly across western Eurasia
(Peer reviewed; Journal article, 2018-07-24)Aim: Invasive species are of increasing global concern. Nevertheless, the mechanisms driving further distribution after the initial establishment of non‐native species remain largely unresolved, especially in marine systems. ... -
Odd family reunion: DNA barcoding reveals unexpected relationship between three hydrozoan species
(Journal article; Peer reviewed, 2023-04-10)Knowledge of life histories is crucial for understanding ecological and evolutionary processes, but for many hydrozoan species only incomplete life cycles have been described due to challenges in linking hydromedusae with ... -
On a new species of Amphilochus from deep and cold Atlanic waters, with a note on the genus Amphilochopsis (Amphipoda, Gammaridea, Amphilochidae)
(Peer reviewed; Journal article, 2018)Amphilochus manudens and Amphilochopsis hamatus are redescribed based on specimens from the BioIce, Mareano, and IceAGE programmes. The new species Amphilochus anoculus sp. n. is described based on material from the IceAGE ... -
On the typification of the lichen genus Lepra Scop.
(Peer reviewed; Journal article, 2019)The first typification of Lepra Scop. by Pertusaria discoidea (Pers.) Malme (= Lepra albescens (Hudson) Hafellner), made in the Paris Code (1956), is shown to be correct after studies of the original material in the Micheli ... -
Onisimus turgidus (Sars, 1879) (Amphipoda, Uristidae), an overlooked amphipod from sea anemones in Northern Norway
(Journal article; Peer reviewed, 2020)Two Norwegian uristid amphipods, obligate associates of sea anemones, have for a long time been confused sub nomine Onisimus normani Sars, 1890. In reality this species only occurs in south Norway, while the north-Norwegian ...