type specimen การใช้

• Type specimens are at the Museum of Comparative Zoology at Harvard University.
• The height of the shell of the type specimen is 59 mm.
• The genus is known from two partial skeletons including the type specimen.
• The type specimen was collected in the Pacaraima Mountains in western Guyana.
• For a long time it was known only from the type specimen.
• The height of the aperture of the type specimen is 25 mm.
• Dimensions of the shell of type specimen is 39 x 22 mm.
• Howe had also studied the type specimens and presented images of them.
• As the type specimen is poorly preserved it is considered nomen dubium.
• Overall the body of the type specimen is a uniform dark brown.
• Most of his type specimens are in the Natural History Museum London
• The type specimen was collected near the east African coast ( ).
• The width of the shell of the type specimen is 26 mm.
• The Type specimen was collected in 1904 near Josephine County, Oregon.
• The width of the shell of type specimen is 19 mm.
• The type specimen was collected near Lord Howe Island ( ).
• A supposed type specimen in the Indian Museum was never located.
• The type specimen is a single skull from the Xiashaximiao Formation.
• The height of the shell of type specimen is 28 mm.
• Found in North America, it was type specimens in North Carolina.