†Tectarius (Subditotectarius) Ladd 1966 (periwinkle)
Gastropoda - Sorbeoconcha - Littorinidae
Alternative spelling: Subditotectarius
Full reference: H. S. Ladd. 1966. Chitons and Gastropods (Haliotidae through Adeorbidae) from Western Pacific Islands. United States Geological Survey Professional Paper 531:1-98
Parent taxon: Tectarius according to H. S. Ladd 1966
See also Sepkoski 2002
Sister taxa: Tectarius (Tectarius), Tectarius coronatus, Tectarius elegans, Tectarius ligniticus
Subtaxa: Tectarius (Subditotectarius) rehderi
Type: Tectarius (Subditotectarius) rehderi
Ecology: epifaunal grazer
Distribution:
• Miocene of the Marshall Islands (2 collections)
Total: 2 collections each including a single occurrence