Results 11 to 20 of about 8,086 (212)
Chiral speciation in terrestrial pulmonate snails. [PDF]
PLoS ONE, 2012 On the basis of data in the literature, the percentages of dextral versus sinistral species of snails have been calculated for western Europe, Turkey, North America (north of Mexico), and Japan.
Edmund Gittenberger +2 more
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Dizhi lixue xuebao, 2023 The Chanziping–Daping gold deposit area is located in the southwest section of the Xuefeng arc-shaped structural belt, with mainly NWW-NNW-trending and secondary NNE-trending Au veins.
BAI Daoyuan +4 more
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PLoS ONE, 2021 Planktonic foraminifera are heterotrophic sexually reproducing marine protists with an exceptionally complete fossil record that provides unique insights into long-term patterns and processes of evolution.
Paul N Pearson, Luke Penny
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Geosciences, 2023 The Ediacaran–Cambrian rocks on the northeastern edge of the Saghro inlier experienced polycyclic tectono-thermal events, which are reported here based on a multiscale structural analysis, from field measurements to fluid inclusion planes. Three striking
Zakarya Yajioui +7 more
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Dextral and sinistral Amphidromus inversus (Gastropoda: Pulmonata: Camaenidae) produce dextral sperm [PDF]
Zoomorphology, 2011 Coiling direction in pulmonate gastropods is determined by a single gene via a maternal effect, which causes cytoskeletal dynamics in the early embryo of dextral gastropods to be the mirror image of the same in sinistral ones. We note that pulmonate gastropod spermatids also go through a helical twisting during their maturation.
Schilthuizen, Menno +1 more
openaire +2 more sources
Biogenic Design of the Flexible, Resilient, and Hard Mineral Protector in Door Snails. [PDF]
Small SciA calcareous door (clausilium) of door snails combines hardness for defense and flexibility for opening and closing. The biogenic design of a clausilium stalk is studied as a unique architecture balancing several properties. Internal observations reveal a double‐layered structure: a hard, dense envelope with aragonite rods and a flexible, low‐density ...
Kurihara Y +15 more
europepmc +2 more sources
Геодинамика и тектонофизика, 2021 The article deals with the fundamental concepts of a new method of interpretation of regional gravimetry (scale 1:1000000) based on the idea of the deformational nature of low-frequency gravity anomalies.
S. M. Makeev
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CCAF-DB: the Caribbean and Central American active fault database [PDF]
Natural Hazards and Earth System Sciences, 2020 A database of ∼250 active fault traces in the Caribbean and Central American regions has been assembled to characterize the seismic hazard and tectonics of the area, as part of the Global Earthquake Model (GEM) Foundation's Caribbean and Central American
R. Styron, J. García-Pelaez, M. Pagani
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Enantiomorphs and taxonomy of three conchological species in flat-shelled snails Trichocathaica (Pulmonata, Camaenidae) [PDF]
ZooKeys, 2018 Biomodal (flat/globular or slender/tall) shell/body shapes are associated with dichotomous (simultaneous reciprocal or non-reciprocal) modes of copulation behaviour in the fully-shelled stylommatophoran snails.
Barna Páll-Gergely +2 more
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Bulletin of the Iraq Natural History Museum, 2023 As a part of the survey discovering the land snail fauna of Can Tho City, Vietnam, this study recorded snails for the first time in the city and an additional data on Amphidromus inversus annamiticus (Crosse & P.
Dang Hai Lam
doaj +1 more source