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First report of the bivalve Placuna placenta (Linnaeus, 1758) from the Late Miocene-Early Pliocene strata of the Minab region and Qeshm Island, Persian Gulf, Southern Iran: Paleoecology, Systematic and Taphonomy | ||
| پژوهش های چینه نگاری و رسوب شناسی | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 27 آبان 1403 | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22108/jssr.2024.142783.1297 | ||
| نویسندگان | ||
| فرشته مهدی پور1؛ علی بهرامی* 2؛ مهدی یزدی3؛ حسین وزیری مقدم4؛ فرانسیسکو وگا5؛ الکساندرا بیتنر6 | ||
| 1گروه زمین شناسی | ||
| 2گروه زمین شناسی، دانشکده علوم، دانشگاه اصفهان | ||
| 3استاد. گروه زمین شناسی، دانشکده علوم، دانشگاه اصفهان | ||
| 4استاد گروه زمین شناسی دانشکده علوم دانشگاه اصفهان، اصفهان، ایران | ||
| 5Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán, 04510, CDMX, Mexico | ||
| 6Institute of Paleobiology, Polish Academy of Sciences, Twarda 51/55, 00-818 Warszawa, Poland | ||
| چکیده | ||
| The Late Miocene-Early Pliocene bivalve Placuna placenta (Linnaeus, 1758) is reported for the first time from Southern Iran. The shells of this species are extremely thin and fragile, and mostly disarticulated in our material, affected by compression, bioerosion, encrustation, and abrasion. In the Qeshm Island, mid-late Miocene samples from Rahgostar) were collected from marly deposits of the Guri Member of the Mishan Formation, Zagros basin. In the Minab region, samples from Bandzark were collected from Miocene-Pliocene sandstones of the Tiab Anticline in the Makran Basin. The the studied species, and their taphonomic features revealed tidal/intertidal shallow marine environment with high productivity, high rate of sedimentation and rapid burial processes, in low energy and high environmental stress, caused by strongly reduced salinity. Specimens of both assemblages affected by reworking processes, are represented by the following ichnospecies: Maeandropolydora sulcans, Oichnus simplex and Trypanites weisei.The Late Miocene-Early Pliocene bivalve Placuna placenta (Linnaeus, 1758) is reported for the first time from Southern Iran. The shells of this species are extremely thin and fragile, and mostly disarticulated in our material, affected by compression, bioerosion, encrustation, and abrasion. In the Qeshm Island, mid-late Miocene samples from Rahgostar) were collected from marly deposits of the Guri Member of the Mishan Formation, Zagros basin. In the Minab region, samples from Bandzark were collected from Miocene-Pliocene sandstones of the Tiab Anticline in the Makran Basin. The the studied species, and their taphonomic features revealed tidal/intertidal shallow marine environment with high productivity, high rate of sedimentation and rapid burial processes, | ||
| کلیدواژه‌ها | ||
| Placuna placenta؛ Placunidae؛ Taphonomy | ||
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آمار تعداد مشاهده مقاله: 41 |
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