Results 51 to 60 of about 493 (127)

Microgeographical shell variation in Littorina striata, a planktonic developing periwinkle

open access: yes, 1997
Littorina striata is a strictly Macaronesian, intertidal periwinkle with planktonic development. The species produces both nodulose and smooth shells, which co-occur at Ilheu de Vila Franca do Campo, a drowned crater situated about 1000 m off the south ...
De Wolf, H.   +3 more
core  

Tridentella Richardson 1905

open access: yes, 2008
Tridentella Richardson, 1905 Restricted synonymy: Brandt & Poore, 2001: 200. Remarks: Many species of Tridentella are highly ornamented, some with cephalic processes, or with heavily spinose dorsal surfaces, and the pleotelson often has longitudinal ...
Bruce, Niel L
core   +1 more source

Myzodium modestum

open access: yes, 2015
Myzodium modestum (Hottes, 1926) Fig. 8 Diagnosis Apterae 1.3–1.7 mm, shape Myzus -like, bronze to bronzy black; dorsal cuticle heavily sclerotized, rugose; thinly wax-covered below.
Albrecht, Anders Christian
core   +1 more source

Brocchinia harasewychi De & De, 2007, n. sp.

open access: yes, 2007
Brocchinia harasewychi n. sp. (Figures 6–11) Type material: Holotype, MZUSP 77069, [Lt 6.3 mm, Wt 3.4 mm],; Paratype 1, LMUFRPE 0 10, along the state of Alagoas, Brazil, D­ 32, 09 ° 20 ’ 30 ’’S, 34 ° 59 ’ 11 ’’W, 452 m, muddy bottom, 18.xii.
De, José Carlos N.   +1 more
core   +1 more source

Crucibulum laeve var. magnum varo nov. and Arcangeliella scissilis found in Costa Rica.

open access: yes, 2005
[EN] Crucibulum laeve varo magnum is proposed as a new variety, based on its big basidioma, spores and tunica with nodulose-spinose hyphae. Arcangeliella scissilis represents a new record for Costa Rica.
Mata, M., Calonge, Francisco D.
core  

Liangcoris Zhao, Cai & Ren

open access: yes, 2007
Liangcoris Zhao, Cai & Ren, gen. nov. Type species. Liangcoris yangae Zhao, Cai & Ren, sp. nov. Diagnosis. Medium sized, oblong, smooth, shiny. Head (including neck) distinctly shorter than pronotum (Fig.
Zhao, Ping, Ren, Dong, Cai, Wanzhi
core   +1 more source

Afrolittorina Williams, Reid & Littlewood 2003

open access: yes, 2004
Afrolittorina Williams, Reid & Littlewood, 2003 Type species. Litorina africana Krauss, in Philippi, 1847. Taxonomic history. Both Afrolittorina africana and A.
Reid, DG, Williams, ST
core   +1 more source

Trigonisca Moure 1950

open access: yes, 2019
Trigonisca Genus Group The Trigonisca genus group clade, comprising the extant genus Trigonisca and the extinct genus Exebotrigona, is united by the combination of a minute body size, with a length typically 4.5 mm or frequently less, and a forewing ...
Engel, Michael S.   +6 more
core   +1 more source

Description and interpretation of evaporitic lithofacies ofArtesa de Segre (Upper Eocene of NE Ebre Basin)

open access: yes, 1991
The evaporitic sequence of Artesa de Segre (Lleida) is related to the Noguera lacustrine system (Barbastro Fm, upper Eocene to Iower Oligocene). The evaporites are found in between continental paelogene sediments. Two main gypsum levels, separated by red
Maestro Maideu, E.   +2 more
core  

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