Pseudamussium (Pecten) huttoni Park, 1905
PARK, J. 1905. Description of a new Pecten from the Oamaru Series. Transactions and Proceedings of the New Zealand Institute [New Series], 37 [20]: 485. [p. 485]
«Pseudamussium (Pecten) huttoni. (Plate xi., fig 5A, " Reise der 'Novara' " Paläontologie, bd. i.)
1873: Pecten hochstetteri, Hutton, Cat. Tert. Moll. N. Z., p. 30. 1897: Pseudamussium hochstetteri (?) Zittel; Harris, Cat. Tert. Moll. Brit. Mus., part i., p. 323.
Suborbicular, equivalve, equilateral, thin, compressed; both valves smooth; ears subequal, obtuse, smooth.
Dimensions.— Height, 80 mm.; length, 76 mm.
Formation.— A characteristic form of the Oamaru series of Miocene or Oligocene age. It ranges from the marine greensands overlying the Tertiary coal to the summit of the Oamaru stone. It has never been found above or below the Oamaru series.
Localities. — Winton, Milburn, Clarendon, Caversham, Waitati, Waikouaiti, Hampden, Maheno, Kakanui Biver, Awamoa Creek, Oamaru Creek, Totara, Ngapara, Enfield, Black Point, Duntroon, Marawhenua, Wharekuri, Waihao Forks, Pareora Gorge (lower end). White Bock Biver, Tengawai, Kakahu, Castle Bock, Waipara, Mount Brown, Mount Donald, Point Elizabeth, Cape Farewell, West Whanganui, Mokau, Baglan, Aotea, Whangarei, Paparoa, Pahi.
Remarks.— For the past thirty years this beautiful shell has been known to geologists as Pecten hochstetteri. It is easily distinguished from P. hochstetteri, which is radiately ribbed on the right valve, smooth on the left valve, and in mature specimens does not exceed a height of 56 mm. and a
length of 54 mm. In plate xi., fig. 5A, a right valve of P. huttoni is figured in error as the smooth valve of P. hochstetteri. It was doubtless this error which originally led to the confusion with respect to the two species.» JAMES PARK, 1905
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Pecten Hochstetteri Zitt.; K. A. Zittel, 1864, Fossile Mollusken und Echinodermen aus Neu-Seeland (Reise der Österreichischen Fregatte Novara um die Erde), plate 11, figures 5a-5c.
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