Temat: new insight - Katalog OPAC zbiorów

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Tytuł:: Some new insights into relations within superfamily Dicrocoeliidae (Digenea) based on molecular data
Autorzy:: Hildebrand, J.
Laskowski, Z.
Tkach, V.V.
Powiązania:: https://bibliotekanauki.pl/articles/6629.pdf
Data publikacji:: 2016
Wydawca:: Polskie Towarzystwo Parazytologiczne
Tematy:: new insight
Dicrocoeliidae
Digenea
molecular data
parasite
classification
Źródło:: Annals of Parasitology; 2016, 62, Suppl.
0043-5163
Pojawia się w:: Annals of Parasitology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Connecting Hunter-Schreger Band microstructure to enamel microwear features: New insights from durophagous carnivores
Autorzy:: Tseng, Z.J.
Powiązania:: https://bibliotekanauki.pl/articles/20238.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:: microstructure
enamel microwear feature
new insight
durophagous carnivore
Mammalia
Borophagine
Canidae
Hyaenidae
durophagy
bone
cracking
Miocene
Cenozoic
enamel microstructure
insight
paleontology
eating behaviour
animal behaviour
diet
Opis:: Several recent studies have clarified the link between microwear features and diet among living carnivorans, but it is still unclear whether previously interpreted evolutionary trends for dietary specialization, based on examination of enamel microstructure, are consistent with such insights from microwear analysis. This study examined the relationship between microwear and microstructure features using a sample of fossil hyaenids and canids. Hunter−Schreger Bands (HSB) and microwear features were examined at the same magnification level using optical stereomicroscopy. Multiple trials conducted on each specimen showed higher variance of smaller (<0.03 mm) microwear features compared to large (>0.03 mm) features. The number of pits was positively correlated with more derived HSB in both p4 and m1; fossil teeth with derived HSB possessed microwear features similar to patterns found in modern spotted hyenas. Microscopic scratches were not as closely associated with HSB patterns, but large scratches were more tightly linked to HSB than smaller ones on p4. An examination of evolutionary trends in HSB specialization in the two carnivoran lineages showed that derived HSB patterns evolved prior to the highly robust craniodental characteristics typical of later bone−cracking ecomorphologies. Therefore, the increase of hard food in the diet of less specialized hyaenids and canids was accompanied by a mosaic mode of evolution, with microstructural changes preceding key macrostructural morphological adaptations.
Źródło:: Acta Palaeontologica Polonica; 2012, 57, 3
0567-7920
Pojawia się w:: Acta Palaeontologica Polonica
Dostawca treści:: Biblioteka Nauki

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