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Found 10 results

  1. Bryzoans.JPG

    From the album Central Texas Fossils

    Bryzoans on clam, possibly Found in Comal County
  2. From the album MY FOSSIL Collection - Dpaul7

    Archimedes with fronds, in Matrix SITE LOCATION: Chesterian Zone of the Bangor Limestone Formation, northern Alabama. TIME PERIOD: Mississippian Period (ca 350,000,000 yrs old) Data: The Archimedes is also termed moss animal, the Bryozoans are colonial animals that live as filter feeders, filtering nutrition from food through it's fenestrae, a screen-like structure that went around the axis of its screw-like central structure seen here. The Bryzoan Archimedes is named after its resemblance to Archimedes’ screw, a device invented by the famous Greek mathematician, engineer, and inventor to raise water above grade. Specimens in which the mesh remains attached to the central structure are rare. Like other bryozoans, Archimedes forms colonies, and like other fenestrates, the individuals (or zooids) lived on one side of the mesh, and can be recognized for the two rows of equally distanced rimmed pores. Inside the branches, neighbouring individuals were in contact through small canals. Bryozoans are stationary epifaunal suspension feeders. The majority of fossils of this genus are distributed throughout Europe and North America, but they have also been found in sediments of Afghanistan, Canada, Russia, and Australia. Kingdom: Animalia Phylum: Bryozoa Class: Stenolaemata Order: †Fenestrida Family: †Fenestellidae Genus: †Archimedes
  3. From the album MY FOSSIL Collection - Dpaul7

    Archimedes with fronds, in Matrix SITE LOCATION: Chesterian Zone of the Bangor Limestone Formation, northern Alabama. TIME PERIOD: Mississippian Period (ca 350,000,000 yrs old) Data: The Archimedes is also termed moss animal, the Bryozoans are colonial animals that live as filter feeders, filtering nutrition from food through it's fenestrae, a screen-like structure that went around the axis of its screw-like central structure seen here. The Bryzoan Archimedes is named after its resemblance to Archimedes’ screw, a device invented by the famous Greek mathematician, engineer, and inventor to raise water above grade. Specimens in which the mesh remains attached to the central structure are rare. Like other bryozoans, Archimedes forms colonies, and like other fenestrates, the individuals (or zooids) lived on one side of the mesh, and can be recognized for the two rows of equally distanced rimmed pores. Inside the branches, neighbouring individuals were in contact through small canals. Bryozoans are stationary epifaunal suspension feeders. The majority of fossils of this genus are distributed throughout Europe and North America, but they have also been found in sediments of Afghanistan, Canada, Russia, and Australia. Kingdom: Animalia Phylum: Bryozoa Class: Stenolaemata Order: †Fenestrida Family: †Fenestellidae Genus: †Archimedes
  4. Graveyard fossil side a.jpg

    From the album MY FOSSIL Collection - Dpaul7

    Graveyard Fossil - with Trilobite Appendage SITE LOCATION: Chesterian Zone of the Bangor Limestone Formation in northern Alabama TIME PERIOD: Mississippian Period (ca 325,000,000 years old) A "Graveyard" style fossil; many animals here. Both sides of the specimen show bryzoan remnants, some crinoid, Mollusk and Bryzoan remnants.
  5. Graveyard fossil side a.jpg

    From the album MY FOSSIL Collection - Dpaul7

    Graveyard Fossil - with Trilobite Appendage SITE LOCATION: Chesterian Zone of the Bangor Limestone Formation in northern Alabama TIME PERIOD: Mississippian Period (ca 325,000,000 years old) A "Graveyard" style fossil; many animals here. Both sides of the specimen show bryzoan remnants, some crinoid, Mollusk and Bryzoan remnants.
  6. From the album MY FOSSIL Collection - Dpaul7

    Polypora spinulifera Bryzoan fossil Chesterian Zone of the Bangor Limestone Formation in northern Alabama Mississippian Period c 325,000,000 years ago Bryozoa (also known as the Polyzoa, Ectoprocta or commonly as moss animals), are a phylum of aquatic invertebrate animals. Typically about 0.5 millimetres (0.020 in) long, they are filter feeders that sieve food particles out of the water using a retractable lophophore, a "crown" of tentacles lined with cilia. Most marine species live in tropical waters, but a few occur in oceanic trenches, and others are found in polar waters. One class lives only in a variety of freshwater environments, and a few members of a mostly marine class prefer brackish water. Over 4,000 living species are known. One genus is solitary and the rest are colonial. Kingdom: Animalia Phylum: Bryzoa Class: Stenolaemata Order: Fenestrida Family: Polyporidae Genus: Polypora Species: spinulifera
  7. From the album MY FOSSIL Collection - Dpaul7

    Polypora spinulifera Bryzoan fossil Chesterian Zone of the Bangor Limestone Formation in northern Alabama Mississippian Period c 325,000,000 years ago Bryozoa (also known as the Polyzoa, Ectoprocta or commonly as moss animals), are a phylum of aquatic invertebrate animals. Typically about 0.5 millimetres (0.020 in) long, they are filter feeders that sieve food particles out of the water using a retractable lophophore, a "crown" of tentacles lined with cilia. Most marine species live in tropical waters, but a few occur in oceanic trenches, and others are found in polar waters. One class lives only in a variety of freshwater environments, and a few members of a mostly marine class prefer brackish water. Over 4,000 living species are known. One genus is solitary and the rest are colonial. Kingdom: Animalia Phylum: Bryzoa Class: Stenolaemata Order: Fenestrida Family: Polyporidae Genus: Polypora Species: spinulifera
  8. From the album MY FOSSIL Collection - Dpaul7

    Bryzoan - Archimedes screw wrapped in Fronds Chesterian Zone of the Bangor Limestone Formation in northern Alabama Mississippian Period c 325,000,000 years ago Archimedes is a genus of bryozoans belonging to the family Fenestellidae. The first use of the term "Archimedes" in relation to this genus was in 1838. This genus of bryozoans is named Archimedes because of its corkscrew shape, in analogy to the Archimedes' screw, a type of water pump which inspired modern ship propellers. These forms are pretty common as fossils but they have been extinct since the Permian. Archimedes is a genus of fenestrate bryozoans with a calcified skeleton of a delicate spiral-shaped mesh that was thickened near the axis into a massive corkscrew-shaped central structure. The most common remains are fragments of the mesh that are detached from the central structure, and these may not be identified other than by association with the "corkscrews", that are fairly common. Specimens in which the mesh remains attached to the central structure are rare. Like other bryozoans, Archimedes forms colonies, and like other fenestrates, the individuals (or zooids) lived on one side of the mesh, and can be recognized for the two rows of equally distanced rimmed pores. Inside the branches, neighbouring individuals were in contact through small canals. Bryozoans are stationary epifaunal suspension feeders. The majority of fossils of this genus are distributed throughout Europe and North America, but they have also been found in sediments of Afghanistan, Canada, Russia, and Australia. Kingdom: Animalia Phylum: Bryozoa Class: Stenolaemata Order: †Fenestrida Family: †Fenestellidae Genus: †Archimedes
  9. Bryzoan, Large Archimedes.JPG

    From the album MY FOSSIL Collection - Dpaul7

    Large Archimedes Bryzoan in matrix Bangor Limestone Formation, North Alabama, USA Mississippian Period c 325,000,000 years ago Archimedes is a genus of bryozoans belonging to the family Fenestellidae. The first use of the term "Archimedes" in relation to this genus was in 1838. This genus of bryozoans is named Archimedes because of its corkscrew shape, in analogy to the Archimedes' screw, a type of water pump which inspired modern ship propellers. These forms are pretty common as fossils but they have been extinct since the Permian. Archimedes is a genus of fenestrate bryozoans with a calcified skeleton of a delicate spiral-shaped mesh that was thickened near the axis into a massive corkscrew-shaped central structure. The most common remains are fragments of the mesh that are detached from the central structure, and these may not be identified other than by association with the "corkscrews", that are fairly common. Specimens in which the mesh remains attached to the central structure are rare. Like other bryozoans, Archimedes forms colonies, and like other fenestrates, the individuals (or zooids) lived on one side of the mesh, and can be recognized for the two rows of equally distanced rimmed pores. Inside the branches, neighbouring individuals were in contact through small canals. Bryozoans are stationary epifaunal suspension feeders. The majority of fossils of this genus are distributed throughout Europe and North America, but they have also been found in sediments of Afghanistan, Canada, Russia, and Australia. Kingdom: Animalia Phylum: Bryozoa Class: Stenolaemata Order: †Fenestrida Family: †Fenestellidae Genus: †Archimedes
  10. Looking for ID for the 3 different bryzoan specimens labeled 1, 2, and 3 as well as these ultra cool little oyster clumps. Location = Hampton VA USA There is an offshore fossil bed that these wash out of after storms down on a private beach I have access to. Miocene I assume, somewhere around the St.Mry's fmn. Also coming out of this bed are the less frequent poorly barnacle-encrusted chesapectan and the very very infrequent ecphora. I've found very infrequent fossil horse teeth 1/4 away so there is a lot going on fmn wise... I collect these when I'm local after storms and the oysters are pretty cool as they semi-frequently form the free-standing clumps of 2 to 4 or 5 oysters. I like to dump these into interesting glass containers as they make pretty cool display pieces. Anyway, also attached are a few more pics of the oysters and bryzoan specimen #2. Thanks in advance. Joe
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