Ichnospecies<i>Teredolites longissimus</i>and Teredinid Body Fossils from the Early Eocene of India—Taphonomic and Palaeoenvironmental Implications

Kumar, Kishor; Singh, Himanshu; Rana, R. S.

doi:10.1080/10420940.2011.573601

Cited by 14 publications

(3 citation statements)

References 28 publications

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“…Thus, apart the doubtful case of Albian pallets mentioned above (Woodward ) and one occurrence of Bankiinae ‐like pallets from the Santonian Mata Series of New Zealand (McKoy ), recorded pallets all belong to the Cenozoic (e.g. Stinton ; Elliott ; Cvancara ; Otsuka ; Maempel ; Gale ; Huggett & Gale ; Huggett et al . ; Kumar et al .…”

Section: Discussionmentioning

confidence: 98%

“…(body) for Teredininae; Bankia gouldi (pallets) and Bankia martensi (body) for Bankiinae; characters in italics are those rarely documented in the fossil record. B, fossil record of pallets through time and associated sea chemistries; successive K–Pg occurrences of pallets reported (from the oldest to the most recent ones) by Woodward (), Stinton (), Elliott (), Cvancara (), McKoy (), Otsuka (), Maempel (), Gale (), Huggett & Gale (), Huggett et al . () and Kumar et al .…”

Section: Discussionmentioning

confidence: 99%

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The oldest shipworms (Bivalvia, Pholadoidea, Teredinidae) preserved with soft parts (western France): insights into the fossil record and evolution of Pholadoidea

et al. 2018

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Teredinidae are obligate xylophagous bivalves that colonize drift wood. They display a highly derived anatomy with a reduced shell; most of their body consists of soft tissues. Consequently, fossil teredinids mostly correspond to burrows, shells or small terminal aragonite structures called ‘pallets’. We report, from mid‐Cretaceous logs of the Envigne Valley, France, exceptionally preserved wood‐boring bivalves with silicified soft parts. After characterizing the wood, we report both the molluscs’ anatomy and their distribution inside the wood (using computed tomography). The 3D‐reconstructions reveal rarely preserved soft tissues (mantle, respiratory siphons, visceral pouch) but surprisingly no mineralized pallets. Envigne shipworms display neat dorsal condyles and a vermiform body plan, making them the oldest known Teredinidae. To document the evolutionary or taphonomic origin of this lack of pallet, the mineralization of these bivalves was investigated, and it is concluded that pallets could have dissolved prior to other carbonate components. From a survey of the fossil wood‐boring bivalves and their characters, we provide a time scaled origin of the main pholadoid clades supported in recent phylogenies. Since we found no correlation between the presence of pallets in Pholadoidea and their occurrence in the stratigraphic record, we suggest that their absence during the Mesozoic could be the result of a taphonomic bias related to the ‘calcite vs aragonite seas’ paradigm. The Cenomanian Envigne Valley was an estuarine to intertidal environment in which the Teredinidae appear to have selected their wood habitat on the basis of size but not type.

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Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

The oldest shipworms (Bivalvia, Pholadoidea, Teredinidae) preserved with soft parts (western France): insights into the fossil record and evolution of Pholadoidea

et al. 2018

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“…Borings traditionally attributed to Teredolites (now Gastrochaenolites and Apectoichnus) have been reported widely from Cretaceous and Cenozoic strata of the Antarctic Peninsula region (Kelly 1988;Wiedman & Feldmann 1988;Pirrie et al 1998;Césari et al 2001;Ivany et al 2008;Mirabelli et al 2017), and in correlative strata across the Southern Hemisphere (e.g. Bradshaw 1980;Lindqvist 1986;Urreta 1987;McLoughlin et al 1995;McLoughlin 1996;Kumar et al 2011;Wild & Stilwell 2016;Cooper 2018). Borings in wood definitively recovered from the Sobral, Cross Valley and La Meseta formations by other workers have also been assigned to G. clavatus and A. longissimus, and their structure is relatively well understood (Kelly & Bromley 1984;Bromley et al 1984;Kelly 1988).…”

Section: Molluscan Boringsmentioning

confidence: 99%

Marine and terrestrial invertebrate borings and fungal damage in Paleogene fossil woods from Seymour Island, Antarctica

McLoughlin

2020

GFF

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An assemblage of permineralized conifer and angiosperm woods collected from Paleogene marine strata on Seymour Island during the Swedish Antarctic expedition of 1901-1903 includes many specimens with internal damage caused by an array of xylophagous organisms. Short, broad, clavate borings referable to Gastrochaenolites clavatus are attributed to pholadid bivalves. Elongate borings with carbonate linings referable to Apectoichnus longissimus were produced by teredinid bivalves. Slender, cylindrical tunnels cross-cutting growth rings and backfilled in meniscoid fashion by frass composed of angular tracheid fragments were probably produced by a terrestrial beetle borer. They are most similar to tunnels generated by modern cerambycid and ptinid coleopterans. Less regular, spindle-shaped cavities and degraded zones flanking growth rings are similar to fungi-generated modern white pocket rot. Larger chambers in the heartwood referable to the ichnotaxon Asthenopodichnium lignorum were produced by an alternative mode of fungal degradation. The biological interactions evident in the fossil woods illustrate additional terrestrial trophic levels enhancing the known complexity of ecosystems on and around the Antarctic Peninsula shortly before the initial pulse of mid-Cenozoic glaciation in Antarctica that caused extirpation of the majority of plants and animals in that region.

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Ichnological Analysis of Transgressive Marine Tongue in Prograding Deltaic System: Evidences from Ukra Hill Member, Western Kachchh, India

Desai

2013

Journal of the Geological Society of India

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The Ukra Hill Member exposed only in Western part of Kachchh basin comprises of fossiliferous shales, limestones and glauconitic sandstones in between thick unfossiliferous sandstone. The present study documents abundance of trace fossil Teredolite, occurring as driftwood and bedload log ground as well as re-worked log ground from the basal part of the Ukra Hill Member. These Teredolite bearing horizons are underlain by coarse grained cross bedded sediment with monodominant Psilonichnus tubiformis, while abundant Gyrolithes cycloides along with Rhizocorallium irregulare, R. Jenense occurs in overlying horizons. Three ichnofabrics recognized within the Ukra Hill Member are inferred to represent near shore high energy conditions (Psilonichnus ichnofabric), transgressive condition with subsequent erosion (Teredolites Ichnofabric) and shelf environment (Gyrolithes- Rhizocorallium Ichnofabric). The Teredolite bearing horizons also occurs with abundant belemnites Neohibolithes ewaldi, which is considered to be index fossil for the Early Aptian sediments. Thus, based on the ichnofabric analysis, the basal part of the Ukra Hill Member represents an Early Aptian transgressive event in Kachchh basin.

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IchnospeciesTeredolites longissimusand Teredinid Body Fossils from the Early Eocene of India—Taphonomic and Palaeoenvironmental Implications

Cited by 14 publications

References 28 publications

The oldest shipworms (Bivalvia, Pholadoidea, Teredinidae) preserved with soft parts (western France): insights into the fossil record and evolution of Pholadoidea

The oldest shipworms (Bivalvia, Pholadoidea, Teredinidae) preserved with soft parts (western France): insights into the fossil record and evolution of Pholadoidea

Marine and terrestrial invertebrate borings and fungal damage in Paleogene fossil woods from Seymour Island, Antarctica

Ichnological Analysis of Transgressive Marine Tongue in Prograding Deltaic System: Evidences from Ukra Hill Member, Western Kachchh, India

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