Bothriembryon praecursor McMichael, 1968

Breure, Abraham S. H. & Whisson, Corey S., 2012, Annotated type catalogue of Bothriembryon (Mollusca, Gastropoda, Orthalicoidea) in Australian museums, with a compilation of types in other museums, ZooKeys 194, pp. 41-80 : 51

Bothriembryon praecursor McMichael, 1968 Fig. 3M

Bothriembryon praecursor McMichael 1968: 149, pl. 11 figs 7-9; Crespin 1974: 125.

Type locality.

[Northern Territory] "4 miles east-north-east of Deep Well homestead, near Alice Springs, N.T.".

Label.

No labels, see Remarks.

Dimensions.

"Maximum height 14.00, maximum diameter 9.00 (mm)"; holotype H 14.17, D 9.03, W 3+.

Type material.

CPC6906, holotype; CPC6907-CPC6909, three paratypes.

Remarks.

This is a fossil species from Tertiary age; no further details are known about the dating of the horizon where the shells were found. "The holotype is an isolated steinkern of an immature shell" ( McMichael 1968); the top of the shell is damaged. The paratypes are larger, up to 20.0 mm. The specimens are not accompanied with labels, but Crespin (1974) provides as data "6.5 km ENE of Deep Well hstd [homestead], near Alice Springs, N.T. (loc. Rd21)" [Holotype and paratypes 1-2], "18 km NE of Deep Well hstd, near Alice Springs, N.T. (loc. NT409)" [Paratype 3].

Current systematic position.

Bothriembryontidae, Bothriembryon praecursor McMichael, 1968.

Figures

Figure 3. Fossil Bothriembryon species. A, B, F B. gardneri Kendrick, 1978, holotype, WAM 701603 a (H = 43.5); F sculpture on dorsal side of last whorl C-E B. consors Kendrick, 1978, holotype, WAM 72421 a (H = 30.0); E sculpture on dorsal side of last whorl G-H B. douglasi Kendrick, 1978, holotype, WAM 661036 a (H = 34.2) I-J B. kremnobates Kendrick, 2005, holotype, WAM 81.847 (H = 21.5) K-L B. ridei Kendrick, 1978, holotype, WAM 60.434 a (H = 36.6) M B. praecursor McMichael, 1968, holotype, CPC 6906 (H = 14.17) N B. gunnii (Sowerby II, 1845), holotype, NHMUK PI OR 96907 (H = 25.1).