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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

Chicoreus (Siratus) sextoni 22.54mm. Vokes,1990 Extinct Ultra-Rare Collected by pickaxe in sand and mud substrate in 1990 in the Ten Mile Creek. (Basal Beds) of the Alum Bluff Group, Chipola Formation. Calhoun County, Florida. Burdigalian Miocene 16.0-20.4 M.Y.A. Coll: Melanie Briskin Bonus mollusk drills and a very hard to find murex.

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.

Chama (Pseudochama)chipolana 1 7/8” or 47.72mm. Dall, 1903Extinct 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: Louise Briskin. Never seen a fully intact one or if one exists.

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

Leporimetis chipolana 1 ¾” or 42.22mm. Dall, 1900 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 Superb Quality attached by matrix Do not attempt to clean Chipola specimen any more than they have been

Anodontia janus 1” or 26.03mm. Dall, 1903-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 Very rarely offered attached by matrix and so complete as it breaks easily. Found at Farley Creek but in low number.

Monoplex ritteri 1 1/8” or 27.72mm. G.W. Schmelz, 1989-Ultra-Rare Juvenile Collected from Farley Creek in the Alum Bluff Group on 4/18/15 in sandy matrix Chipola Formation, Calhoun County, Florida. Burdigalian Miocene 16.00-20.4 M.Y.A. Coll: Melanie Briskin

Oliva liodes 21.96mm. Dall 1903-Extinct Ultra-Rare Superb Collected from Farley Creek in the Alum Bluff Group on 4/18/15 in sandy matrix Chipola Formation, Calhoun County, Florida. Burdigalian Miocene 16.00-20.4 M.Y.A. Coll: Melanie Briskin Absolutely superb condition!

Sinistrofulgur sp. 5 ¾” or 145.92mm. Un-Described-Un-Named Ultra-Rare Collected in the Golden Gate Member (Upper Beds) of the Tamiami Formation on 04/24/16. Aggregates Pit, Bonita Springs, Florida. Piacenzian Pliocene 2.6-3.0 M.Y.A. Coll: Melanie Briskin Dr Ed Petuch says this is a New species and is a descendant of Sinistrofulgur contrarium Ultra-Rare species and only a small number exist or are recognized in collections.

Naticarius plicatella 1 5/8” or 41.84mm. w/o Conrad, 1863-Extinct insitu Collected in the Ft Denaud Member of the Caloosahatchee Formation in 2004 Brantley Pit, Arcadia, Desoto County, Florida. Gelasian Pleistocene 2.2-2.4 M.Y.A. Coll: Melanie Briskin This specimen had an insitu operculum (Chipped) when found inside the shell.

Turbo rhectogrammicus 1 5/8” or 40.68mm. w/o in situ Dall 1892-Extinct Collected in the Ft Denaud of the Caloosahatchee Formation in 2004 Brantley Pit, Arcadia, Florida. Gelasian Pleistocene 2.2-2.4 M.Y.A. Coll: Melanie Briskin Really superb specimen!

Strombus evergladesensis 4 1/8” or 105.08mm. Petuch, 1991-Extinct Giant Rare Collected in the Belle Glade of the Bermont Formation on 10/16/16 Aggregates Pit, Bonita Springs, Florida. Calabrian Pleistocene 78,000-400,000 Years Old. This is a supergiant and is rarely offered so large.

Diploria sarasotana 4 7/8" or 124.65mm” Weisbord 1974-Extinct Collected in the Golden Gate Member (Lower Beds) of the Tamiami on 06/15/2014.Aggregates Pit, Bonita Springs, Florida. Piacenzian Pliocene 3.0-3.6 M.Y.A. Coll: Melanie Briskin