New ostracodes of the families Loxoconchidae and Trachyleberididae from the Barremian-Albian of southwestern Crimea

Karpuk, M. S.; Tesakova, E. M.

doi:10.1134/s0031030114020063

Cited by 8 publications

(1 citation statement)

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“…An Albian age of the Batavia Knoll sandstone is also supported by the microfossil taxa present. The two ostracod taxa recovered belong to the Trachyleberididae, an extant family with origins in the late Barremian (Karpuk and Tesakova, 2014) and thus present throughout the Albian. In addition, the genus Spinoleberis Deroo, 1966 has its first appearance datum in the mid-Albian.…”

Section: Age Determinationmentioning

confidence: 99%

First Cretaceous (Albian) invertebrate fossil assemblage from Batavia Knoll, Perth Abyssal Plain, eastern Indian Ocean: taxonomy and paleoecological significance

Wild

Stilwell

2016

J. Paleontol.

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The first sedimentary rocks from Batavia Knoll, on the western edge of the Perth Abyssal Plain, eastern Indian Ocean, have been recovered, yielding an assemblage of invertebrate fossils hitherto undocumented from this part of the world. The fauna consists of 22 species of Mollusca, including new gastropods, a calliotropidPlanolateralus acanthanodusn. sp.; a margaritidIgonoia levimargaritan. sp.; a procerithiidProcerithium arenacollicolan. sp.; and aporrhaidsDrepanocheilus bataviensisn. sp. andAnchura pelsaertin. sp. In addition, pleurotomariid, ringiculid, and architectonicid gastropod taxa were recovered. Bivalves are represented by members of the Nuculanidae, Inoceramidae, Pinnidae, Buchiidae, Lucinidae, Veneridae, and Hiatellidae. Scaphopods (Dentaliidae) and ammonites (two taxa, of Desmoceratidae and Hamitidae) are also present. Further recovered were one species of Serpulidae (Polychaeta), two of Trachyleberididae (Ostracoda), and a probable echinoid fragment. The fossil assemblage was dominated by shallow marine suspension-feeding taxa (39% of the suite). Detritivorous and herbivorous taxa comprised 22% and 9%, respectively, with nektic and epifaunal carnivores amounting to 30%. Taphonomic analyses of these fossils and their host sedimentary facies revealed the Batavia Knoll sandstone was deposited in a shallow marine environment during a mass-flow event. Biostratigraphic range data of the preserved macro- and microfossil assemblages imply an age of latest Albian, contemporaneous with the rifting of Batavia Knoll from Greater India during the broader India–Australia–Antarctica breakup in the mid-Cretaceous.

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Section: Age Determinationmentioning

confidence: 99%