UGA Stratigraphy Lab

The data is in the strata

Ambonychia

Specimen Photo

Ambonychia sp.
MUGM 1.1N3
scale bar is 4 mm

Species

Ambonychia alata Meek, 1872 Occurrence: Arnheim, Waynesville
Reference: Pojeta, 1966; Pojeta, 1971
formerly Anomalodonta costata Meek, 1873 and Anomalodonta alata

Ambonychia acutirostris (Ulrich, 1893)
Occurrence: Fairmount
Reference: Pojeta, 1962, 1966
Includes species formerly assigned to Eridonychia paucicostata and Eridonychia apicalis;
Allonychia ovata is a probable junior synonym of Ambonychia acutirostris

Ambonychia alveolata (Ulrich, 1893)
Occurrence: Corryville
Reference: Pojeta, 1962
formerly Byssonychia alveolata

Ambonychia byrnesi (Ulrich, 1893)
Occurrence: Cynthiana
Reference: Pojeta, 1962
formerly Byssonychia byrnesi

Ambonychia casteri (Pojeta, 1962)
Occurrence: Waynesville
Reference: Pojeta, 1962; Pojeta, 1971
formerly Byssonychia casteri

Ambonychia cultrata (Ulrich, 1893)
Occurrence: Waynesville, Liberty
Reference: Pojeta, 1962
formerly Byssonychia cultrata

Ambonychia imbricata (Ulrich, 1893)
Occurrence: Corryville
Reference: Pojeta, 1962
formerly Byssonychia imbricata

Ambonychia obesa (Ulrich, 1893)
Occurrence: Whitewater, Elkhorn
Reference: Pojeta, 1962, 1966, 1971
formerly Byssonychia obesa

Ambonychia praecursa (Ulrich, 1893)
Occurrence: Fairmount, Bellevue
Reference: Pojeta, 1962
formerly Byssonychia praecursa

Ambonychia radiata Hall, 1847
Occurrence: Mount Hope, Fairmount, Bellevue, Corryville, Mount Auburn, Arnheim, Waynesville, Liberty, Elkhorn
Reference: Pojeta, 1962; Pojeta, 1971; Frey, 1987
formerly Byssonychia radiata; includes Byssonychia vera

Ambonychia retrorsa Miller, 1878
Occurrence: Fairmount
Reference: Pojeta, 1962
formerly Byssonychia retrorsa

Ambonychia richmondensis (Ulrich, 1893)
Occurrence: Arnheim, Whitewater
Reference: Pojeta, 1962
formerly Byssonychia richmondensis

Ambonychia robusta Miller, 1880
Occurrence: Waynesville, Liberty, Whitewater, Elkhorn
Reference: Pojeta, 1962; Hoare and Miller, 1996
formerly Byssonychia robusta

Ambonychia suberecta (Ulrich, 1893)
Occurrence: Waynesville
Reference: Pojeta, 1962; Frey, 1987
formerly Byssonychia suberecta

Ambonychia tenuistriata (Ulrich, 1894)
Occurrence: Whitewater
Reference: Pojeta, 1962
formerly Byssonychia tenuistriata

Ambonychia ulrichi (Pojeta, 1962)
Occurrence: Fairmount
Reference: Pojeta, 1962; Pojeta, 1971
formerly Byssonychia ulrichi