| Buy | ID | Shell | Location | Description| Size | Price | |
| 382967
| Penion chathamensis (A. W. B. Powell, 1938) | N.Zealand | F+, RARE DEEP WATER SPECIES! IMPRESSIVE SHELL - LOOKS A DIFFERENT SPECIES! LABELED AS P.FAIRFIELDAE (SYNONYM)! FROM DOUG SNOOK COLLECTION! w/o | 125.6mm | $65.00 |
| 382969
| Penion cuvierianus (A. W. B. Powell, 1927) | N.Zealand | F+, GREAT NORTH ISLAND FORM! KNOBBY SPECIMEN FROM DOUG SNOOK COLLECTION! FOUND IN THE 1980s! | 125.2mm | $45.00 |
| 382971
| Penion cuvierianus (A. W. B. Powell, 1927) | N.Zealand | F+, HISTORICAL KNOBBY SPECIMEN FROM DOUG SNOOK COLLECTION! FOUND IN 1947! | 149.5mm | $60.00 |
| 380196
| Penion cuvierianus (A. W. B. Powell, 1927) | N.Zealand | F+, HUGE SPECIMEN! TRAWLED AT DEEP WATER IN 1968! VERY UNUSUAL FORM - THE ORIGINAL LABEL SHOWS AS P.DILATATUS (SYNONYM OF P.SULCATUS)! FROM DOUG SNOOK COLLECTION! w/o | 176.6mm | $125.00 |
| 380408
| Penion cuvierianus (A. W. B. Powell, 1927) | N.Zealand | F+, SPECIAL LIGHT COLORED SPECIMEN! TRAWLED AT DEEP WATER IN 1967! VERY UNUSUAL FORM - THE ORIGINAL LABEL SHOWS AS P.DILATATUS (SYNONYM OF P.SULCATUS)! FROM DOUG SNOOK COLLECTION! w/o | 154.3mm | $100.00 |
| 381446
| Penion cuvierianus (A. W. B. Powell, 1927) | N.Zealand | F+, GORGEOUS SPECIMEN FROM DOUG SNOOK COLLECTION! FOUND IN THE 1960s! | 143.5mm | $70.00 |
| 379449
| Penion cuvierianus (A. W. B. Powell, 1927) | N.Zealand | F, GIANT! THE LARGEST ON OUR DATABASE - THIS IS THE CLOSEST TO THE CURRENT RECORD 239MM. DEAD TAKEN WITH A HOLE, BUT THE SHELL IS IMPRESSIVE! EX.COLL. DOUGLAS SNOOK | 227mm | $60.00 |
| 382980
| Penion lineatus B. A. Marshall, Hills & Vaux, 2018 | N.Zealand | F+, MONSTER SUPER HEAVY SPECIMEN FROM DOUG SNOOK COLLECTION! IT WAS LISTED AS PENION SULCATUS ADPRESSUS BUT IT MATCHES WITH THE LINEATUS DESCRIPTION! FABULOUS SHELL! | 191.4mm | $250.00 |
| 370110
| Penion maximus (Tryon, 1881) | Australia | F+, VERY LARGE WITH SPECIAL YELLOW-CREAM COLOR WITH BROWN BAND! FABULOUS! (CON) | 213mm | $65.00 |
| 382975
| Penion sulcatus (Lamarck, 1816) | N.Zealand | F+, LARGE AND HEAVY RIBBED SPECIMEN FROM DOUG SNOOK COLLECTION! THE LARGE WE EVER SAW - BIGGER OF THE LISTED WRS! w/o | 143mm | $85.00 |
| 379486
| Penion sulcatus (Lamarck, 1816) | N.Zealand | F+, THICK FORM ADUSTA! TRAWLED IN 1965, EX.COLL. NORMAN DOUGLAS, W/O | 95.5mm | $25.00 |
| 379487
| Penion sulcatus (Lamarck, 1816) | N.Zealand | F+, FORM ADUSTA, TRAWLED IN 1965, EX.COLL. NORMAN DOUGLAS, W/O | 108.8mm | $30.00 |
| 379488
| Penion sulcatus (Lamarck, 1816) | N.Zealand | F+, FORM ADUSTA, VERY KNOBBY, COLLECTED IN 1970s, EX.COLL. JOYCE PEARCE (DOUG SNOOK´S AUNT) | 101mm | $25.00 |
| 380785
| Penion sulcatus (Lamarck, 1816) | N.Zealand | F+, RARE ALBINISTIC FORM! EXCEPTIONAL ATTRACTIVE SHELL FROM DOUG SNOOK COLLECTION! LOOKS LIKE HYBRID BETWEEN CUVIERI & SULCATUS! MAYBE P.DILATATUS COULD APPLY FOR THAT! | 115.3mm | $90.00 |
