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An F++ Dinocardium robustum 3 3/4” or 95.35mm. Lightfoot 1786 Collected on sand rolling along at night at -0.6 low tide in January 1979 Holiday Inn Beach, Sanibel Island, Florida. These shells can no longer be collected live since the 1994 Live shelling Ban on Sanibel.

Crucibulum costatum 1 ½” or 34.98mm. Say,1820-Extinct Collected in the Golden Gate Member (Lower Beds) of the Tamiami Formation on 02/02/2020 Aggregates Pit, Lee County, Bonita Springs, Florida. Piacenzian Pliocene 3.0-3.6 M.Y.A Collector: Melanie Briskin Nice example with almost fully intact inner cup which is a rarit y. 

Anodontia alba 2 1/2"” wide or 62.31mm. Link 1807-Giant Fossil Collected in the Golden Gate Member (Lower Beds) of the Tamiami Formation on 02/02/2020.  Aggregates Pit, Lee County, Bonita Springs, Florida. Piacenzian Pliocene 3.0-3.6 M.Y.A. Collector: Melanie Briskin This pair is giant and superb in every way as the valves are in wonderful condition! The valves are held together by matrix. There is even a bonus mollusk drill for

Taeniaturbo dominicensis f. laloi 24.56mm. C.J. Maury, 1917 -Extinct Ultra-Rare Collected in the Golden Gate Member (Lower Beds) of the Tamiami Formation in 2017. Aggregates Pit, Lee County, Bonita Springs, Florida. Piacenzian Pliocene 3.0-3.6 M.Y.A. Coll: Melanie Briskin Ultra-Rare 

Chicoreus stephensae 2 5/8” or 64.51mm. Petuch, 1994 Collected in the Golden Gate Member (Lower Beds, Petuch Unit 7 Equivalent) of the Tamiami Formation on 08/16/15. . Aggregates Pit, Lee County Bonita Springs, Florida. Piacenzian Pliocene 3.0-3.6 M.Y.A. Collector: Melanie Briskin This is a true rarity in the Golden Gate Member. Only the second ever offered! Nice condition with the usual minor pinholing. 

Fulguropsis radula 2 3/4” or 68.68mm. Petuch, 1994-Extinct rare Collected in the Golden Gate Member (Lower Beds) of the Tamiami Formation on 11/30/14. Aggregates Pit, Lee County, Bonita Springs, Florida. Piacenzian Pliocene 3.0-3.6 M.Y.A. Collector Melanie Briskin  Choice specimen with only minor lip nick one of the better we have ever offered.

Lindaconus tuckeri 2 5/8” or 65.62mm. Petuch & Drolshagen, 2011-Extinct Collected in the Golden Gate Member (Upper Beds, Petuch Unit 2) of the Tamiami Formation, Aggregates Pit, Lee County Bonita Springs, Florida. Piacenzian Pliocene 2.6-3.0 M.Y.A. Collector: Melanie Briskin All markings visible under UV Light Outstanding quality specimen with usual minor lip chips and normally nicked protoconch. A must have in any collection! Color

Panopea floridana 5” or 127.44mm. Heilprin 1887 Extinct filled with matrix Collected in the Golden Gate Member (Lower Beds) of the Tamiami Formation on 12/02/2018. Aggregates Pit, Bonita Springs, Florida. Piacenzian Pliocene 3.0-3.6 M.Y.A. Pair preserved and full of cement-like matrix. Usual chips on valves but mostly intact. A really nice piece to display.

Marvacrassatella kauffmani 4 1/8” or 103.21mm. Ward and Blackwelder, 1987-Extinct Collected in the James City Formation in the 2000’s Lee Creek Texas Gulf Mine, Aurora, Beaufort County, North Carolina Calabrian Pleistocene 780,000-1.8 M.Y.A. Coll: Eric Prokopi

Siphocypraea(lokossea) mulepenensis 2 5/8” or 66.78mm. Petuch 1991-Extinct Adult. Collected in the Golden Gate Member (Upper Beds, Petuch Unit 2) of the Tamiami formation on 10/26/14. Aggregates Pit, Lee County, Bonita Springs, Florida. Piacenzian Pliocene 2.6-3.0 M.Y.A. Coll: Louise Briskin. This is a full adult with some terminal damage on one terminal and a minor crack in the same area. area. Rarely offered as a nice thick adult like

Americoliva keatoni 2” or 49.54mm. Petuch 1994-Extinct Superb Collected in the Pinecrest Member (Petuch Unit 7) of the Tamiami Formation in the 1980's Apac Pit, Sarasota, Florida. Piacenzian Pliocene 3.0-3.6 M.Y.A. Coll: Melanie Briskin Museum quality specimen with really nice markings shown!

Phos chipolanus 21.57mm. Dall,1896.- Extinct Superb Rare Collected in the Ten Mile Creek in sand and mud substrate at low water level in 1994.Alum Bluff Group, Chipola Formation Calhoun County, Florida. Burdigalian Miocene 16-20.4 M.Y.A. Coll: Melanie Briskin

Laevityphis linguiferus 7.83mm. Dall, 1890-Extinct-Ultra Rare Collected by pickaxe in sand and mud substrate in 1990 in the Ten Mile Creek. (Middle Beds) of the Alum Bluff Group, Chipola Formation. Calhoun County, Florida. Burdigalian Miocene 16.0-20.4 M.Y.A. Coll: Melanie Briskin Hard to obtain Ultra Rare Juvenile.

Phyllonotus infrequens 20.66mm E.H. Vokes, 1963-Extinct Ultra-Rare Collected by digging with pickaxe and screwdriver in sand and mud substrate in the Farley creek banks in May 2015 Farley Creek, Alum Bluff Group, Chipola Formation, Calhoun County, Florida Burdigalian Miocene 16-20.4 M.Y.A. Coll: Melanie Briskin This specimen is in great condition and rarely offered it is rather rare

Crepidula plana 21.08mm Say, 1822 Fossil Freak-Rare Collected by pickaxe in sand and mud substrate matrix on 11/16/19.Alum Bluff Group, (Lower Beds) Chipola Formation, Apalachicola River, Liberty County, Bristol. Florida. Burdigalian Miocene 16-20.4 M.Y.A. Coll: Melanie Briskin This is a very rare “Freak” and in fabulous condition. Amn Asset in any collection as this is the oldest formation this species exists in in Florida.

Subcancilla mitrodita 18.22mm. Gardner, 1937-Extinct Ultra Rare Collected by pickaxe in sand and mud substrate in 1990 in the Ten Mile Creek. (Upper beds) of the Alum Bluff Group, Chipola Formation. Calhoun County, Florida. Burdigalian Miocene 16.0-20.4 M.Y.A. Coll: Melanie Briskin

Prunum eleutheria 15.28mm Gardner 1947-Extinct Ultra-Rare Collected by pickaxe in sand and mud substrate matrix from the Chipola Formation, (Lower Beds) on 11/16/19.Alum Bluff, Alum Bluff Group, Chipola Formation, Apalachicola River, Liberty County, Bristol. Florida. Burdigalian Miocene 16-20.4 M.Y.A. Coll: Melanie Briskin Ultra-Rare and in excellent condition

Polystira tenagos 1 5/8” or 37.75mm. Gardner, 1947-Extinct Ultra-Rare Collected by pickaxe in sand and mud substrate matrix from the Chipola Formation, (Lower Beds) on 11/16/19.Alum Bluff, Alum Bluff Group, Chipola Formation, Apalachicola River, Liberty County, Bristol. Florida. Burdigalian Miocene 16-20.4 M.Y.A. Coll: Melanie Briskin Quite rare in good condition.

Rhinoclavis (Ochetoclava) chipolana 18.35mm. Dall, 1892-Ultra-Rare Extinct Collected by pickaxe in sand and mud substrate matrix from the Chipola Formation, (Lower Beds) on 11/16/19.Alum Bluff, Alum Bluff Group, Chipola Formation, Apalachicola River, Liberty County, Bristol Florida. Burdigalian Miocene 16-20.4 M.Y.A. Coll: Melanie Briskin Superb quality specimen with a bonus mollusk drill. Aa little unicorn. Do not attempt to clean Chipola

Busycon burnsii 1 3/8” or 32.65mm. Dall, 1890-Extinct Ultra-Rare Collected by pickaxe in sand and mud substrate matrix from the Chipola Formation, (Lower Beds) on 11/16/19.Alum Bluff, Alum Bluff Group, Chipola Formation, Apalachicola River, Liberty County, Bristol Florida. Burdigalian Miocene 16-20.4 M.Y.A. Coll: Melanie Briskin Great Juvenile specimen hard to find so nice and intact always have fragile siphonal canals that are chipped. Do not