Gastropoda - Trochoidea - Araeonematidae

Alternative combination: Portlockia semicancellata

Synonyms: Portlockia nana de Koninck 1881, Yunnania nana de Koninck 1881

Full reference: L. G. de Koninck. 1881. Faune du calcaire carbonifère de la Belgique, 3e partie, Gastéropodes. Musée Royale d’Historie Naturelle Belgique Annales, Série Paléontoloque 6:1-170

Belongs to Yunnania according to R. L. Batten 1966

See also de Koninck 1881

Sister taxa: Yunnania decorata, Yunnania inflata, Yunnania kamenkensis, Yunnania meridionalis, Yunnania minor, Yunnania parallela, Yunnania pulchra, Yunnania pygmaeus, Yunnania romanovskyi

Ecology: epifaunal grazer

Distribution: found only at Cliff Quarry, 450 yards W27˚S of Compton Martin Church, Compton Martin, Mar (Carboniferous of the United Kingdom)

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Specimen images are retrieved through the ePANDDA API.