Interconnected chambered trace fossils, Pliocene lower Tipam Formation, Tripura, India

• Autorzy: Rajkumar Hemanta S. , Šimo Vladimir

Identyfikatory

DOI

10.14241/asgp.2020.20

• Języki publikacji: EN

Abstrakty

EN

A new kind of trace fossil characterized by filled ellipsoidal chambers interconnected by a boxwork of burrows, shafts and tunnels, in different horizontal planes, is observed in the medium-grained fluvial sandstone of the Pliocene Lower Tipam Formation in the Amarpur area of Tripura in northeast India. The chambers have variable dimensions with lengths of 3-16 cm, widths of 3-10 cm and heights of 2-6 cm. Diameters of the connecting tunnels and shafts are 0.8-0.9 cm on average. The traces are considered to be nest systems of social insects. The discovery is noteworthy as far as the geology of Tripura state is concerned, as such chambered traces have not previously been reported from the Indian sub-continent. Morphology of the studied specimens point toward a new ichnospecies, Vondrichnus amarpurensis isp. nov. of the ichnofamily Krausichnidae.

Słowa kluczowe

EN

chambers; termite nest; boxwork; burrows; fluvial sandstone; Pliocene

• Wydawca: Polskie Towarzystwo Geologiczne
• Czasopismo: Annales Societatis Geologorum Poloniae
• Rocznik: 2020
• Tom: Vol. 90, No. 3
• Strony: 261--270
• Opis fizyczny: Bibliogr. 30 poz., fot., rys., tab., wykr.

Twórcy

autor

Rajkumar Hemanta S.

• Department of Geology, United College, Lambung, Chandel – 795127, Manipur, India

autor

Šimo Vladimir

• Earth Science Institute, Geological Division, Slovak Academy of Sciences, Dúbravská Cesta 9, 840 05 Bratislava 45, Slovak Republic

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).