| 000 | 00635cam a2200181 4500 | ||
|---|---|---|---|
| 001 | 23528 | ||
| 008 | 700122s1970 ctuab b 001 0 eng | ||
| 041 | _aeng | ||
| 100 | 1 | _aSpeden, Ian G. | |
| 245 | 1 | 4 |
_aThe type Fox Hills Formation, Cretaceous (Maestrichtian), South Dakota / _bIan G. Speden. |
| 260 |
_aNew Haven : _bYale University, _c1970. |
||
| 300 |
_a222 p. : _billus. (part fold.), maps (part fold.) ; _c26 cm. |
||
| 440 |
_aBulletin, _x0079-032X ; _v33 |
||
| 500 | _aPart. 2 Systematics of the Bivalvia. | ||
| 700 | 1 |
_aSpeden, I. G. _q(Ian Gordon). |
|
| 760 |
_023496 _923496 _tBulletin _w23496 _x0079-032X |
||
| 942 |
_2ddc _cBK _fBKS |
||
| 999 |
_c23528 _d23528 |
||