†Lloydia (Leiostegium) Raymond 1913 (trilobite)
Trilobita - Corynexochida - Leiostegiidae
Parent taxon: Lloydia according to Raymond 1913
Sister taxa: Lloydia (Evansaspis), Lloydia obsoletus
Subtaxa: Lloydia (Leiostegium) douglasi
Ecology: nektobenthic carnivore
Distribution:
• Ordovician of United States (2: Montana, North Dakota collections)
• Tremadoc of Argentina (6)
Total: 8 collections each including a single occurrence