Funalichnus bhubani isp. nov. from Bhuban Formation, Surma Group (Lower -Middle Miocene) of Aizawl, Mizoram, India

A new ichnospecies of the ichnogenus Funalichnus Pokorný is described from the Middle Bhuban Unit, Bhuban Formation, Surma Group (Lower - Middle Miocene) of Aizawl, Mizoram, India. Funalichnus bhubani isp. Nov. Is a large burrow displaying cylindrical segments that are oriented nearly perpendicular...

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Published inPloS one Vol. 8; no. 10; p. e77839
Main Authors Tiwari, Raghavendra Prasad, Rajkonwar, Chinmoy, Patel, Satish Jaychandbhai
Format Journal Article
LanguageEnglish
Published United States Public Library of Science 18.10.2013
Public Library of Science (PLoS)
Subjects
Bedding
Bivalvia
Ecosystem
Fossils
Geologic Sediments - analysis
Geologic Sediments - chemistry
Geology
India
Miocene
Mollusca
Paleontology
Preservation
Registration
Sediments
Sediments (Geology)
India
Mizoram India
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Summary:A new ichnospecies of the ichnogenus Funalichnus Pokorný is described from the Middle Bhuban Unit, Bhuban Formation, Surma Group (Lower - Middle Miocene) of Aizawl, Mizoram, India. Funalichnus bhubani isp. Nov. Is a large burrow displaying cylindrical segments that are oriented nearly perpendicular to the bedding plane. The new ichnospecies can be identified on the basis of general form, size, unlined passive filling and twisted rod-like structure. The association of Funalichnus bhubani isp. Nov. With Arenicolites, Diplocraterion, Ophiomorpha Psilonichnus Skolithos and Thalassinoides points to its bathymetric restriction. The deep extension of the burrow in clastic sediments provides a favourable condition for preservation in the shoreface environment and occurrence in fine- to medium-grained clastic sediments may be a preservational preference.
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Conceived and designed the experiments: RPT. Performed the experiments: CR. Analyzed the data: SJP. Contributed reagents/materials/analysis tools: CR. Wrote the manuscript: RPT.
Competing Interests: The authors have declared that no competing interests exist.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0077839