METACERCARIAE IN COPROLITES OF SEALS OF THE GENUS PACHYPHOCA (CYSTOPHORINAE, PHOCIDAE) FROM THE LATE MIOCENE OF THE NORTH CAUCASUS

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Abstract

Coprolites of the seal Pachyphoca volkodavi from the Upper Miocene deposits (Kherson) of the Fortepyanka locality (Republic of Adygea) were studied. Two out of five seal coprolites contained a structure resembling fish muscle tissue and included objects with morphology of trematode metacercariae. Obviously, the larvae of the parasite got into the digestive tract of seals from the fish they eat. Microscopic analysis of coprolites did not reveal helminth eggs, which indicates a possible absence of infection.

About the authors

K. K. Tarasenko

Borisiak Paleontological Institute, Russian Academy of Sciences

Email: tarasenkokk@gmail.com
Russian Federation, Moscow

T. N. Sivkova

Perm State Agro-Technological University named after Academician D.N. Pryanishnikov

Email: tarasenkokk@gmail.com
Russian Federation, Perm

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