-
Igarkiella is an
extinct genus of
trilobite containing a
single described species Igarkiella igarkaensis. The
species is
known from
fossils dating to 505...
- The
taxonomy of the
Gastropoda by
Bouchet & Rocroi, 2005
categorizes Igarkiellidae in the
superfamilia Scenelloidea within the
Paleozoic molluscs of uncertain...
-
Helcionelloidea Wenz, 1938
Family Helcionellidae Wenz, 1938
Family Igarkiellidae Parkhaev, 2001
Family Coreospiridae Knight, 1947
Superfamily Yochelcionelloidea...
- Helcionellidae, Garkielladae, and Procarinaridae.
Parkhaev 2002 [1]
added the
Igarkiellidae and
expanded the
Coreospiridae and
Helcionellidae with
additional genera...
-
families in the
Scenelloidea include: †
Scenellidae †
Coreospiridae †
Igarkiellidae Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard;...
-
Helcionellidae Wenz, 1938
Family Carinopeltidae Parkhaev, 2013 (syn "
Igarkiellidae" Parkhaev, 2001)
Family Coreospiridae Knight, 1947
Superfamily Yochelcionelloidea...
-
Golikov & Starobogatov, 1989) †Family
Carinopeltidae Parkhaev, 2013 (=
Igarkiellidae Parkhaev, 2001) †Superfamily
Yochelcionelloidea Runnegar & Jell, 1976...
-
Pelagiellidae †
Aldanellidae Scenelloidea †
Scenellidae †
Coreospiridae †
Igarkiellidae Yochelcionelloidea †
Yochelcionellidae †
Stenothecidae † Trenellidae...
-
Helcionelloidea Wenz, 1938
Family Helcionellidae Wenz, 1938
Family Igarkiellidae Parkhaev, 2001
Family Coreospiridae Knight, 1947
Superfamily Yochelcionelloidea...
