Search results for: 'seed cos zz'

A Top Quality Alethopteris sp. - fossil fern display piece from St. Clair, Pennsylvania. A December Fossil of the Month. Alethopteris is an extinct genus of primitive seed fern that evolved during the Pennsylvanian Period. This specimen is well preserved with white colored ferns on a near black colored shale matrix. This white coating is a characteristic of the mineral pyrophyllite. The St. Clair area is known for their white ferns on black matrix. Pennsylvanian age. (300 mya). It weighs 16.8 pounds. Note - international orders will require a shipping supplement. Authenticity guaranteed. This specimen comes with a sturdy wooden base as shown in the photo. A fantastic two-sided display piece!

FN01       SIZE:  22" x  14"      Height on stand:  14-1/2"

Note - Adding 4 fern / Lepidodendron  specimens in December 2023 -->   Link to Fossil Ferns

A Top Quality Squalicorax pawpawensis, an extinct Crow shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. Authenticity guaranteed. Near perfect tooth.

T410            SIZE: 1/4"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Squalicorax pawpawensis, an extinct Crow shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. Authenticity guaranteed. Perfect tooth.

T409            SIZE: 1/4"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Squalicorax pawpawensis, an extinct Crow shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. Authenticity guaranteed. Perfect tooth.

T408            SIZE: 5/16"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Squalicorax pawpawensis, an extinct Crow shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. Authenticity guaranteed. Perfect tooth.

T407            SIZE: 5/16"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Squalicorax pawpawensis, an extinct Crow shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. Authenticity guaranteed. Perfect tooth.

T406            SIZE: 3/8"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Squalicorax pawpawensis, an extinct Crow shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. Authenticity guaranteed. Perfect tooth.

T404            SIZE: 3/8"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Squalicorax pawpawensis, an extinct Crow shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. Authenticity guaranteed. Perfect tooth.

T403            SIZE: 3/8"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Squalicorax pawpawensis, an extinct Crow shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. Authenticity guaranteed. Near perfect tooth.

T402            SIZE: 3/8"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Squalicorax pawpawensis, an extinct Crow shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. Authenticity guaranteed. Right root lobe reattached.

T405            SIZE: 3/8"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A LARGE, Top Quality Squalicorax pawpawensis, an extinct Crow shark tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. Authenticity guaranteed. Near perfect tooth.

T401            SIZE: 7/16"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth

A Top Quality Protolamna sokolovi, an extinct Mackerel shark, tooth from Tarrant Co., Texas. An excellent example of this Lower Cretaceous Paw Paw Fm. shark. A lateral tooth. Perfect side cusps. Authenticity guaranteed. Near perfect tooth.

T252            SIZE: 1/8"

Note - Adding 100+ new Texas shark teeth in October 2021.   Link to Texas shark teeth