Miocene Elasmobranchii from the Duho Formation, South Korea

Malyshkina, T. P.; Ward, David J.; Назаркин, М. В.; Nam, Gi-Soo; Kwon, Seung-Hyuk; Lee, Jeong‐Hyun; Kim, Tae‐Wan; Kim, Do-Kwon; Baek, Doo-Sung

doi:10.1080/08912963.2022.2110870

Cited by 6 publications

(3 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The general shape of the crown, the regular serration of the main cusp, and the arched root are reminiscent of C. amblyrhynchos ( Bass et al 1973 ; Garrick 1982 ; Kocsis et al 2019 ; Malyshkina et al 2023 ), but the poorly preserved heels of the teeth make a definite identification difficult to ascertain.…”

Section: Resultsmentioning

confidence: 99%

Mid-Holocene marine faunas from the Bangkok Clay deposits in Nakhon Nayok, the Central Plain of Thailand

Jirapatrasilp,

Cuny,

Kocsis

et al. 2024

View full text Add to dashboard Cite

Based on several field investigations, many molluscan shells and chondrichthyan teeth, together with other invertebrate and actinopterygian remains were found from the marine Bangkok Clay deposits in Ongkharak, Nakhon Nayok, at a depth of ~ 5–7 m below the topsoil surface. Animal macrofossils recovered from these Holocene marine deposits were identified and their chronological context was investigated in order to reconstruct the paleoenvironments of the area at that time. The majority of marine fossils recovered from the site consist of molluscs, with a total of 63 species identified. Other invertebrate species include a stony coral, a mud lobster, barnacles, and a sea urchin. The vertebrates are represented by fish remains, including carcharhinid shark teeth from at least nine species, stingray and trichiurid teeth, and one sciaenid otolith. The molluscan fauna indicates that the paleoenvironments of the area corresponded to intertidal to sublittoral zones, where some areas were mangrove forests and intertidal mudflats. The fish fauna is dominated by the river shark Glyphis, indicating freshwater influences and possibly occasional brackish conditions. The carbon-14 analysis of mollusc and charcoal remains shows that deposition of the marine sediment sequence began during the mid-Holocene, spanning approximately from 8,800 to 5,300 cal yr BP. This study provides in-depth insights into the diversity of fishes, marine molluscs, and other invertebrates from the Bangkok Clay deposits, supporting the existence of a marine transgression onto the Lower Central Plain of Thailand during the mid-Holocene.

show abstract

Section: Resultsmentioning

confidence: 99%

Mid-Holocene marine faunas from the Bangkok Clay deposits in Nakhon Nayok, the Central Plain of Thailand

Jirapatrasilp,

Cuny,

Kocsis

et al. 2024

View full text Add to dashboard Cite

show abstract

“…A pale grey to light brown homogeneous mudstone with intercalated sandstone is the main deposit of the Duho 4 Formation (Hwang et al, 1995;Kim and Paik, 2013). The Duho Formation produces a variety of marine invertebrate and vertebrate fossils, including mollusks (Kim and Lee, 2011;Kong and Lee, 2012), fishes (Ko, 2016;Ko and Nam, 2016;Kim et al, 2018;Nam et al, 2021;Malyshkina et al, 2022), and whales (Lim, 2005;Lee et al, 2012). Such a diverse fossil record has produced equally diverse paleoenvironmental interpretations during the deposition of the Duho Formation.…”

Section: Geological Settingmentioning

confidence: 99%

A new tuna specimen (GenusAuxis) from the Duho Formation (Miocene) of South Korea

Suh,

Kim,

Nam

2024

Preprint

Self Cite

View full text Add to dashboard Cite

The partially articulated caudal vertebrae of a tuna were discovered from the Duho Formation (middle Miocene) of South Korea. This specimen was assigned to the genusAuxisand represents the second record of fossilAuxisfound in South Korea. We compared the vertebral morphology of the studied specimen to that of currently known species ofAuxis, including extinct taxa, but the specimen is not assigned to a new or existing species ofAuxisdue to poor preservation and a lack of diagnostic features. The discovery of a new specimen ofAuxissupports theories of high marine biodiversity in the East Sea (Sea of Japan) and the opening of the East Sea in the early to middle Miocene. A widely opened East Sea might have increased the abundance and diversity of large oceanic fishes such as tunas during the deposition of the Duho Formation. A taphonomic scenario of the specimen was inferred based on the lack of anal pterygiophores and the leaf imprint on the matrix. The specimen would have been exposed for at least a month in a low-energy sedimentary environment at the deep-sea bottom and undergone disintegration before being buried.

show abstract

“…Teeth of P. benedenii have been reported from world regions as disparate as Europe (Belgium, Germany, Hungary, Italy, Malta, the Netherlands, Portugal, Slovakia and Switzerland), Africa (Angola and South Africa), Macaronesia (the Azores and the Canary Islands), North America (USA, along both the eastern and western coasts of the country, and Mexico), South America (Ecuador and Peru), Indonesia (Sumatra) and the western Pacific (South Korea, Japan, New Caledonia; Australia and New Zealand) [3,4,[17][18][19][20][21], as well as from the floor of the Indian and Pacific oceans, where this otherwise uncommon taxon appears to be surprisingly abundant [22,23]. As regards the peri-Mediterranean area, finds of P. benedenii come from the Miocene of Malta [24], southern Spain [25] and southern Italy [6,26], as well as from the Pliocene of the Balearic Islands [17] and many Italian localities [27].…”

Section: Introductionmentioning

confidence: 99%

The Palaeobiology of the False Mako Shark, Parotodus benedenii (Le Hon, 1871): A View from the Pliocene Mediterranean Sea

Collareta,

Casati,

Di Cencio

2023

JMSE

View full text Add to dashboard Cite

The extinct “false mako” shark, Parotodus benedenii (Lamniformes: Otodontidae), is essentially known from large, robust teeth that are widespread but overall rare in Oligocene to Pliocene deposits worldwide. More than 150 years after its description, this species still represents a palaeontological conundrum, as very little is known about its body aspect and palaeoecology. Here, we describe new specimens of P. benedenii from the Pliocene of Tuscany, central Italy. These new finds comprise some of the geologically youngest finds of P. benedenii worldwide, witnessing to the survival of false makos until the Late Pliocene at least, which in turn suggests that P. benedenii may have been the latest surviving member of the family Otodontidae. Building upon a thorough literature review, we provide an updated synthesis of the palaeobiology of P. benedenii. In light of the morphological evidence, and considering previously published suggestions, P. benedenii may be reconstructed as a large-sized, carnivorous shark that dwelt in pelagic settings and fed primarily on large, soft prey and scavenging items. Thus, some ecological partitioning did likely exist between P. benedenii and other elasmobranch apex predators of the Neogene mid-latitude seas (including, in Pliocene times, the extant species Carcharodon carcharias, Carcharhinus leucas and Galeocerdo cuvier).

show abstract

Miocene Elasmobranchii from the Duho Formation, South Korea

Cited by 6 publications

References 26 publications

Mid-Holocene marine faunas from the Bangkok Clay deposits in Nakhon Nayok, the Central Plain of Thailand

Mid-Holocene marine faunas from the Bangkok Clay deposits in Nakhon Nayok, the Central Plain of Thailand

A new tuna specimen (GenusAuxis) from the Duho Formation (Miocene) of South Korea

The Palaeobiology of the False Mako Shark, Parotodus benedenii (Le Hon, 1871): A View from the Pliocene Mediterranean Sea

Contact Info

Product

Resources

About