ammonites
Aldanella attleborensis Shaler and Foerste 1888

Helcionelloida - Pelagiellida - Aldanellidae

Alternative combination: Pleurotomaria (Raphistoma) attleborensis

Synonyms: Aldanella crassa Rozanov et al. 1969, Aldanella kolymica Barskova 1988, Aldanella operosa Rozanov and Missarzhevsky 1966, Aldanella operoza Rozanov and Missarzhevsky 1966, Aldanella polonica Lendzion 1977, Aldanella rozanovi Rozanov et al. 1969, Aldanella uchurica Rozanov et al. 1969, Aldanella utchurica Rozanov et al. 1969, Aldanella yangjiaheensis Chen 1984, Aldanella yanjiaheensis Chen 1984, Aldanella yanjiahensis Chen 1984

Full reference: N. S. Shaler and A. F. Foerste. 1888. Preliminary description of North Attelboro fossils. Harvard Museum of Comparative Zoology Bulletin 16:27-41

Belongs to Aldanella according to A. P. Gubanov et al. 2004

Sister taxa: Aldanella costata, Aldanella iberica, Aldanella kunda, Aldanella patelliforma, Aldanella patelliformis, Aldanella remota

Average measurements (in mm): shell 1.80 x 1.52