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Species to be eliminated from New Zealand Lists.
Glycymeris convexa (Tate).
1885. Pectunculus convexus Tate. Trans. Roy. Soc. S. Aust., vol. 8, p. 138, pl. xi, fig. 7 a, b.
1921. Glycymeris convexa (Tate): Suter, N.Z. Geol. Surv. Pal. Bull. No. 8. p. 49.
The occurrence of this species in New Zealand strata is based on a single record (Suter, 1921, p. 49) from locality 449, Trelissick Basin. Strange to say, of the three shells in this collection, this particular specimen is missing, so that no definite statement can now be made as to its identity, and until this specimen is found, or further material collected, the Australian species cannot safely be said to occur in New Zealand.
Glycymeris striatularis (Lamarck).
1835. Pectunculus striatularis Lamk., An. s. Vert., vol. 6, p. 493.
This is a Recent shell from King George Sound, Western Australia. It has been recorded doubtfully by E. A.. Smith (1885, p. 252) from Port Jackson, but Hedley (1918) says the identification is erroneous.
Hutton (1873, p. 28) and others used the name for the Wanganui and Recent shells now classed as G. modesta. Suter, while recognizing modesta for these shells, has used striatularis in three other cases: (a) For specimens from Kaawa Creek (Bartrum, 1919, p. 104) belonging to the Axinea group, and very likely a young G. waipipiensis; (b) for small specimens
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of G. modesta from Kaawa Creek; (c) for specimens from 191—Shrimpton's (Suter, 1921, p. 19).
This shell is also an Axinea, and is here classed as a new species, G. shrimptoni.
Note on Glycymens concava Marshall var. (Plate 7, figs. 1, 4.)
Glycymeris concava Marshall, Trans. N.Z. Inst., vol. 49, p. 459, pl. 36, fig. 42, 1917.)
As the Wangaloa beds from which this shell comes are probably Upper Cretaceous, this species has not been included with the Tertiary ones described above.
Dr. Marshall kindly sent some of the type-material of the species, including the holotype.
The paratype, 65 mm. high, 63 mm. long, here figured, is worthy of notice on account of its very strong beaks. It seems to be entitled to at last subspecific rank, a matter which can be cleared up when the Wangaloan fauna is being revised.