Timbellus priabonicus Pacaud, 2018

Kovács, Zoltán & Vicián, Zoltán, 2019, Muricidae (Neogastropoda) from the Middle Eocene of the Hungarian Paleogene Basin, Fragmenta Palaeontologica Hungarica 36, pp. 31-51 : 35-38

Timbellus priabonicus Pacaud, 2018

( Figs 8–10 )

1889 Murex trialatus – KOENEN, p. 45, pl. 2, figs 1–3 (non Murex trialatus G. B. Sowerby, 1834 )

1968 Туphis schlotheimi – ZELINSKAYA et al., pl. 14, figs 13–14.

2018 Timbellus priabonicus nom. nov. for Murex trialatus Koenen, 1889 – PACAUD, p. 111, fig. 4/E-G.

Material – HNHM INV 2020.23.1–2. (2), Coll. Vicián (3).

Remarks – The morphology of the studied specimens (trivaricate shell, paucispiral protoconch, six rounded teleoconch whorls, long and straight siphonal canal, moderately developed spiral cords: 10–11 on the last whorl, wing-like varices, one fine intervarical rib between the varices) correspond to that of T. priabonicus . Other Timbellus species also appear in the Middle Eocene Alpine Tethys. From N Italy T. tripteroides (Lamarck, 1822) (= Murex stoppani De Gregorio, 1880 ) is known, while T. crenulatus tricarinatus (Lamarck, 1803) was recorded by DAINELLI (1915) and FABIANI (1915). T. crenulatus tricarinatus otherwise shows a wide geographic distribution: NE Atlantic ( France, MERLE et al. 2011; England, TRACEY et al. 1996), North Sea Basin ( Belgium, GLIBERT 1933), NE Alpine Tethys (Tatra Mts, Poland, KUŹNIAR 1910), Ukrainian Archipelago ( MAKARENKO & ZELINSKAYA 1982). The specimen illustrated by ZELINSKAYA et al. (1968, pl. 15, figs 13–14) as Typhis schlotheimi from the Late Eocene of Ukraine is identical in morphology with the Murex trialatus specimen figured by KOENEN (1889, pl. 2, fig. 3), therefore it represents Timbellus priabonicus . The presence of T. priabonicus in the Late Lutetian HPB extends both the stratigraphic and the geographic ranges of the species.

Distribution – Lutetian, Alpine Tethys: Hungarian Paleogene Basin: Dudar. Priabonian, North Sea Basin ( Germany), Ukrainian Archipelago.

Figures

Figs 8–10. Timbellus priabonicus Pacaud. – Fig. 8. Coll. Vicián, Dudar, SL 19, abapertural view. – Fig. 9. Coll. Vicián, Dudar, SL 20, abapertural view. – Fig. 10. HNHM INV 2020.23.1., Dudar, SL 18, abapertural view. – Fig. 11.?Pterochelus contabulatus gantensis (Szőts), Coll. Vicián, Dudar, SL 16, abapertural view. Scale bar: 5 mm