Quadrinervus elegans
Sugerowana cytacja: Gryz, P. 2020. Quadrinervus elegans (Piette, 1867) . Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/viewrev/Species/Quadrinervus+elegans)
 Specimen ZPAL Ga.9/37 from the Valanginan (Early Cretaceous) of Wąwał in lateral view. Diagnoza Teleoconch whorls ornamented with axial and spiral lirae. Two first whorls rounded, subsequent ones angulated medially. Spire partially covered by callus of outer lip process protruding backwards. Process protruding backwards beyond protoconch. Porównanie The Valanginian shell closely resembles Chenopus elegans although the terminal outer lip is not preserved. Autekologia Występowanie geograficzne Europe; in Poland Wąwał. Zasięg czasowy Oxfordian (Upper Jurassic) to Valanginian (Early Cretaceous) Materiały muzealne Jurassic material from Europe and one shell (ZPAL Ga.9/37) from Valanginian of Wąwał. Literatura Kaim, A. 2004. The evolution of conch ontogeny in Mesozoic open sea gastropods. Palaeontologia Polonica 62, 3–183. Piette, M. 1864–1891.Terrain Jurassique. Gastéropodes.Paléontologie Française 3: 1–535. Issued in parts: 1864, 1–48 ; 1866,49–96; 1867, 97–144; 1869, 145–192; 1876, 193–336; 1882, 337–400; 1891, 401–535. |
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