A tooth of Physogaleus aff. contortus (Gibbes, 1849) was found in the Oligocene (Early to Middle Rupelian) Boom Clay Formation in the Swenden-Wienerberger quarry in Rumst, Belgium on the 16th of November 2019. This is the second specimen of this species known to have been found in the Boom Clay Formation. The first one was described by Storms (1894).

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Afzettingen

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Werkgroep voor Tertiaire en Kwartaire Geologie

Gerard Verwey. (2020). Vondst van Physogaleus aff. contortus (Gibbes, 1849) in de groeve Swenden-Wienerberger te Rumst, België (Rupelien). Afzettingen, 41(1), 12–14.