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Wyszukujesz frazę "Van Bakel, B. W. M." wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
New lobsters (Decapoda, Nephropoidea) from the Cretaceous-Paleogene section of the Middle Vistula valley, east-central Poland
Autorzy:
Fraaije, R. H. B.
Jagt, J. W. M.
Van Bakel, B. W. M.
Tshudy, D. M.
Powiązania:
https://bibliotekanauki.pl/articles/139191.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
crustaceans
Astacidea
K-Pg boundary
new species
Central Europe
skorupiaki
rakowce
nowe gatunki
Europa Środkowa
Opis:
During fieldwork in the early 1990s at the then still active quarry near Nasiłów, on the left bank of the River Vistula (Wisła), accompanied by Professor Andrzej Radwański, some lobster remains were collected. A fragmentary anterior portion of a decapod crustacean carapace, recovered from a level about 2 m below the Cretaceous–Paleogene (K/Pg) boundary, in a siliceous chalk unit locally referred to as ‘opoka’, constitutes the oldest record of the thaumastocheliform genus Dinochelus Ahyong, Chan and Bouchet, 2010, D. radwanskii sp. nov. The other, more complete, individual is from c. 3 m above the K/Pg boundary, coming from marly gaizes or ‘siwak’; this is ascribed to a new species of Hoploparia M’Coy, 1849, H. nasilowensis sp. nov., the first to be recorded from Danian (lower Paleocene) strata. Although both ‘opoka’ and ‘siwak’ facies in the Nasiłów area are very rich in diverse biota, including some brachyurans, no macruran remains had so far been recorded from the region.
Źródło:
Acta Geologica Polonica; 2018, 68, 4; 503-509
0001-5709
Pojawia się w:
Acta Geologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New Late Jurassic symmetrical hermit crabs from the southern Polish Uplands and early paguroid diversification
Autorzy:
Fraaije, R.H.B.
Krzeminski, W.
Van Bakel, B.W.M.
Krzeminska, E.
Jagt, J.W.M.
Powiązania:
https://bibliotekanauki.pl/articles/945882.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
paleontology
Anomura
Paguroidea
Parapylochelidae
carapace
morphology
evolution
Jurassic
Late Jurassic
hermit crab
crab
Polska
paguroid carapace
Opis:
On the basis of carapaces, three new genera and species of symmetrical paguroid anomurans are described. Diogenicheles theodorae, Masticacheles longirostris, and Pilgrimcheles karolinae constitute the oldest known members of the family Parapylochelidae. As noted previously, assemblages from sponge−reefal strata of Oxfordian (Late Jurassic) age in the southern Polish Uplands document an important radiation event amongst paguroids. Compared to the present day, the Parapylochelidae were more diverse during the mid−Mesozoic; they appear to have withdrawn from shallow, reefal waters to deep−water settings from the Late Jurassic onwards. Paguroid faunas from the Oxfordian of Europe already are highly diverse, both morphologically and phylogenetically, and comprise early members of the families Diogenidae, Pylochelidae, and Parapylochelidae. This suggests that the evolutionary history of paguroids started much earlier (i.e., in pre−Jurassic times) than previously assumed. New terms for several typical paguroid carapace regions are introduced and on the basis of carapace morphology and ecological shifts hypotheses on the early speciation of hermit crabs are put forward.
Źródło:
Acta Palaeontologica Polonica; 2014, 59, 3; 681-688
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The earliest record of a diogenid hermit crab from the Late Jurassic of the southern Polish Uplands, with notes on paguroid carapace terminology
Autorzy:
Fraaije, R.H.B.
Krzeminski, W.
Van Bakel, B.W.M.
Krzeminska, E.
Jagt, J.W.M.
Powiązania:
https://bibliotekanauki.pl/articles/22146.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
diogenid crab
hermit crab
Late Jurassic
Jurassic
Polish upland
paguroid carapace
carapace
terminology
Paguroidea
Diogenidae
carapace morphology
evolution
Oxfordian
Polska
new species
diogenid paguroid
Eopaguropsis nidiaquilae
Opis:
A new species of diogenid paguroid, Eopaguropsis nidiaquilae, the earliest known member of the family to date, is recorded from sponge−reefal strata of Oxfordian (Late Jurassic) age in the southern Polish Uplands. Morphological features of the carapace suggest that the family Diogenidae diverged from other paguroid lineages such as the Pylochelidae and Parapaguridae, long before the Oxfordian Stage (161.2–155.7 Ma). The typically deep, V−shaped cervical groove of diogenids most likely was the product of fusion of the branchiocardiac and cervical grooves of their predecessors.
Źródło:
Acta Palaeontologica Polonica; 2012, 57, 3
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The earliest record of pylochelid hermit crabs from the Late Jurassic of southern Poland, with notes on paguroid carapace terminology
Autorzy:
Fraaije, R.H.B.
Krzeminski, W.
Van Bakel, B.W.M.
Krzemiska, E.
Jagt, J.W.M.
Powiązania:
https://bibliotekanauki.pl/articles/21257.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
pylochelid crab
hermit crab
Ammopylocheles robertboreki Jurapylocheles iwonae
carapace
terminology
fossil
systematics
Late Jurassic
Jurassic
Polska
Paguroidea
Pylochelidae
new species
evolution
Oxfordian
Opis:
Strata with cyanobacterial−sponge buildups of Middle to Late Oxfordian (Late Jurassic) age in the southern Polish Uplands document the earliest known members of the Pylochelidae. Two new Late Jurassic species of “symmetrical” hermit crabs, Ammopylocheles robertboreki and Jurapylocheles iwonae, are described. A new term, the massetic region, is introduced to describe the equivalent in paguroids of the hepatic region in brachyuran carapaces, because in the former, this region does not reflect the position of the liver but rather an attachment zone of the mandibular muscles.
Źródło:
Acta Palaeontologica Polonica; 2012, 57, 3
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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