...Figure 7 — Chlorozyga decussata ( Yoo, 1988 ) from the Early Carboniferous (Tournaisian) of Australia; from Nützel and Cook (2002) ; 1–5, AM F113730; 1, apertural; larval shell (early whorls) distinctly more slender than early teleoconch; scale bar 0.2 mm; 2, larval shell, oblique view...

... shell was also documented in the Carboniferous genera Imogloba Nützel, Erwin, and Mapes, 2000 and Chlorozyga Nützel and Cook, 2002 . The latter two genera closely resemble members of the Chuchlinidae, but have a distinctively ornamented larval shell and are placed in the family Imoglobidae...

... . Nützel , A. , A. G. , and Cook , 2002 , Chlorozyga , a new caenogastropod genus from the Early Carboniferous of Australia : Alcheringa , 26 . 151 – 157 . Nützel , A. , R. H. , and Mapes , 2001 , Larval and juvenile gastropods from a Mississippian black shale...

... members of the Peruneloidea ( Frýda and Bandel 1997 ; Frýda 1999 , 2001 ; Bandel 2002b ). A third siphonate group is the early Carboniferous (Tournaisian) high-spired genus Chlorozyga , which belongs to the otherwise nonsiphonate early Carboniferous family Imoglobidae ( Nützel and Cook 2002...