Wszystkie pola: ślimaki - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A new etching trace from the Savignone Conglomerate (Oligocene), NW Italy, probably produced by limpet gastropods
Autorzy:: Uchman, A.
Rattazzi, B.
Powiązania:: https://bibliotekanauki.pl/articles/139401.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: bioerosion
ichnotaxonomy
fan delta
borings
attachment
limpet gastropods
bioerozja
ichnotaksonomia
ślimaki
Gastropoda
Opis:: A new ichnogenus and ichnospecies (Solealites ovalis) of etching trace is preserved on the surfaces of clasts from the Savignone Conglomerate (Oligocene) in the Palaeogene Piemonte Basin in NW Italy. It is a shallow, oval depression with a central elevation, which was produced probably by limpet gastropods and served as their home scar, but other gastropods or even sea anemones are not excluded as the trace makers. The conglomerate is interpreted as a deposit of a fan delta, whose clasts have been bioeroded in an intertidal and shallow subtidal shore zone and redeposited to the deeper sea.
Źródło:: Acta Geologica Polonica; 2018, 68, 4; 651-662
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Faunal dynamics of gastropods in the Bathonian (Middle Jurassic) ore-bearing clays at Gnaszyn, Kraków-Silesia Homocline, Poland
Autorzy:: Kaim, A.
Powiązania:: https://bibliotekanauki.pl/articles/138635.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: baton
Gnaszyn
iły rudonośne
jura
paleoekologia
Polska
ślimaki
Bathonian
gastropods
Jurassic
ore-bearing clays
palaeoecology
Polska
Opis:: The succession of gastropods in the Gnaszyn section is quite monotonous and shows significant changes only in the proximity of concretion layers, at least partially because of diagenetic reasons. Otherwise, the section is dominated by gastropods (cylidrobullinids, bullinids, and mathildids) most of which preyed probably on sedentary organisms (polychaetes and/or coelenterates) that possibly flourished on the sea bottom at that time. The other groups of gastropods are represented by larval or juvenile shells. Their presence shows that the environmental conditions that were probably unfavourable for gastropods living directly on the sea bottom most likely because of a soupy substrate consistency, possible oxygen deficiency near the sediment-water interface and/or oxygen content fluctuations. Adult and/or subadult individuals of these gastropods occur only in the higher part of the section, reflecting a time when these conditions improved. A new heterostrophic gastropod species, Promathildia gedli, is described.
Źródło:: Acta Geologica Polonica; 2012, 62, 3; 367-380
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: A new heterobranch gastropod, Chelidonura radwanskii sp. nov., from the middle Miocene of the Korytnica Basin (Holy Cross Mountains, Poland)
Autorzy:: Bałuk, W.
Powiązania:: https://bibliotekanauki.pl/articles/138602.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: heterobranch gastropod
middle Miocene
littoral boulder
Korytnica Basin
Holy Cross Mountains
ślimaki
środkowy miocen
głaz przybrzeżny
basen Korytnica
Góry Świętokrzyskie
Opis:: A new species of heterobranch gastropods, the hammerhead Chelidonura radwanskii sp. nov., found in the socalled Pleurotoma-clays of middle Miocene (Langhian) age in the environs of Korytnica, southern Holy Cross Mountains, Poland, is described. It is the first fossil representative of Chelidonura A. Adams, 1850. This tiny gastropod is named in honour of the late Professor Andrzej Radwański.
Źródło:: Acta Geologica Polonica; 2018, 68, 4; 499-502
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Faunal dynamics of bivalves and scaphopods in the Bathonian (Middle Jurassic) ore-bearing clays at Gnaszyn, Kraków-Silesia Homocline, Poland
Autorzy:: Kaim, A.
Sztajner, P.
Powiązania:: https://bibliotekanauki.pl/articles/138633.pdf
Data publikacji:: 2012
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: baton
Gnaszyn
iły rudonośne
jura
łódkonogi
małże
paleoekologia
Polska
ślimaki
Bathonian
bivalves
gastropods
Jurassic
ore-bearing clays
palaeoecology
Polska
Scaphopods
Opis:: The environment at the Gnaszyn section - as deduced from bivalve and scaphopod dynamics - was controlled by the substrate consistency and possibly oxygen deficiency near the sediment-water interface and/or oxygen content fluctuations. The middle part of the section dominated by nuculoid and corbulid bivalves and Laevidentalium-type scaphopods probably reflects a soupy substrate and possibly oxygen deficiency in the sediment. Slightly coarser and better-oxygenated silts in the upper and lower parts of the section offered a less soupy substrate consistency, allowing the development of communities dominated by astartids, byssate bivalves, and Dentalium- and Plagioglypta-type scaphopods.
Źródło:: Acta Geologica Polonica; 2012, 62, 3; 381-395
0001-5709
Pojawia się w:: Acta Geologica Polonica
Dostawca treści:: Biblioteka Nauki

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