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Parengonoceras pernodosum Sommermeier 1910 (ammonite)

Cephalopoda - Ammonitida - Knemiceratidae

PaleoDB taxon number: 144572

Alternative combination: Placenticeras pernodosum

Synonyms: Knemiceras tetranodosum Lisson 1925 (no. 144573), Parengonoceras tetranodosum Lisson 1925 (no. 144575)

Full reference: L. Sommermeier. 1910. Die Fauna des Aptien und Albien im nördlichen Peru. Partie I. Cephalopoden. Neues Jahrbuch für Mineralogie, Geologie und Paläeontologie, Beilage-band 30:313-382

Belongs to Parengonoceras according to V.E. Benavides-Caceres 1956

Sister taxa: Parengonoceras algerianum, Parengonoceras bussoni, Parengonoceras caneroti, Parengonoceras champaraense, Parengonoceras duartei, Parengonoceras ebrayi, Parengonoceras guadaloupaeforme, Parengonoceras haasi, Parengonoceras mahmoudi, Parengonoceras roemeri, Parengonoceras ziczag

Ecology: fast-moving nektonic carnivore

Average measurements (in mm): shell width 22.2, shell diameter 69.0