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Found 11 results

  1. icycatelf

    Warty-looking rock

    I was told in a group that it was an eroded garnet schist, and I did find a couple other examples online that looked similar. However, it looks more sedimentary than metamorphic to me. I also posted it on a mineral forum where they suggested that it could also be iron nodules in sandstone or a bark fossil. What's your take?
  2. Muffinsaurus

    Is this coprolite?

    Found this in the creek behind my house in Eastern Kentucky. It's been raining (and flooding) a lot so tons of rocks are being washed out of the hills. I'm uncertain what era this could be from since I'm not exactly sure where it washed out from. The pictures I'm including show it while it was still in the rock and after I removed it. I thought it was made of metal at first, but it isn't magnetic at all, nor is it soft like lead or aluminum. After looking around online the closest thing I could find to it's shape is fish coprolite. Is this coprolite or just some strange thing in a rock?
  3. From the album: MY FOSSIL Collection - Dpaul7

    Eusphenopteris neuropteroides Fern Eastern Kentucky Pennsylvanian Period (~ 330 million years ago) Pteridosperms or seed ferns are a group of extinct plants with mostly fern-like foliage but having real seeds. They were mostly small trees but other forms that exhibited climbing growth have been found. Some forms, notably those called the Medullosales as seen here had large fronds which could be up several meters long. Several groups can be distinguished within the Pteridosperms. The Pteridosperms evolved in the latest Devonian, and became common in the Carboniferous. The Medullosales took over the leading role during the Westphalian and persisted into the Permian. Kingdom: Plantae Phylum: Cycadophyta Class: Cycadopsida Order: †Medullosales Family: †Medullosaceae Genus: †Eusphenopteris Species: †neuropteroides
  4. Dpaul7

    Sigillaria Tree Fossil a.jpg

    From the album: MY FOSSIL Collection - Dpaul7

    Sigillaria Tree Fossil SITE LOCATION: Eastern Kentucky TIME PERIOD: Carboniferous, Pennsylvanian Period (307-331 Million Yeas Ago) Sigillaria is a genus of extinct, spore-bearing, arborescent (tree-like) plants. It was a lycopodiophyte, and is related to the lycopsids, or club-mosses, but even more closely to quillworts, as was its associate Lepidodendron. This genus is known in the fossil records from the Late Carboniferous period but dwindled to extinction in the early Permian period (age range: from 383.7 to 254.0 million years ago). Fossils are found in United States, Canada, China, Korea, Tanzania and Zimbabwe. Kingdom: Plantae Phylum: Lycopodiophyta Class: Isoetopsida Order: †Lepidodendrales Family: †Sigillariaceae Genus: †Sigillaria
  5. Dpaul7

    Sigillaria Tree Fossil a.jpg

    From the album: MY FOSSIL Collection - Dpaul7

    Sigillaria Tree Fossil SITE LOCATION: Eastern Kentucky TIME PERIOD: Carboniferous, Pennsylvanian Period (307-331 Million Yeas Ago) Sigillaria is a genus of extinct, spore-bearing, arborescent (tree-like) plants. It was a lycopodiophyte, and is related to the lycopsids, or club-mosses, but even more closely to quillworts, as was its associate Lepidodendron. This genus is known in the fossil records from the Late Carboniferous period but dwindled to extinction in the early Permian period (age range: from 383.7 to 254.0 million years ago). Fossils are found in United States, Canada, China, Korea, Tanzania and Zimbabwe. Kingdom: Plantae Phylum: Lycopodiophyta Class: Isoetopsida Order: †Lepidodendrales Family: †Sigillariaceae Genus: †Sigillaria
  6. From the album: MY FOSSIL Collection - Dpaul7

    Lepidodendron Fossil SITE LOCATION: Eastern Kentucky TIME PERIOD: Carboniferous, Pennsylvanian Period (307-331 Million Yeas Ago) Lepidodendron — also known as scale tree — is an extinct genus of primitive, vascular, arborescent (tree-like) plant related to the lycopsids (club mosses). They were part of the coal forest flora. They sometimes reached heights of over 30 metres (100 ft), and the trunks were often over 1 m (3.3 ft) in diameter. They thrived during the Carboniferous Period (about 359.2 ± 2.5 Mya (million years ago) to about 299.0 ± 0.8 Mya) before going extinct. Sometimes erroneously called "giant club mosses", they were actually more closely related to today's quillworts than to modern club mosses. The name Lepidodendron comes from the Greek lepido, scale, and dendron, tree. By the Mesozoic era, the giant lycopsids had died out and were replaced by conifers as well as smaller Quillworts. This may have been the result of competition from the emerging woody gymnosperms. Lepidodendron is one of the more common plant fossils found in Pennsylvanian (Late Carboniferous) age rocks. They are closely related to other extinct Lycopsid genera, Sigillaria and Lepidendropsis. Kingdom: Plantae Phylum: Lycopodiophyta Class: Isoetopsida Order: †Lepidodendrales Family: †Lepidodendraceae Genus: †Lepidodendron
  7. From the album: MY FOSSIL Collection - Dpaul7

    Lepidodendron Fossil SITE LOCATION: Eastern Kentucky TIME PERIOD: Carboniferous, Pennsylvanian Period (307-331 Million Yeas Ago) Lepidodendron — also known as scale tree — is an extinct genus of primitive, vascular, arborescent (tree-like) plant related to the lycopsids (club mosses). They were part of the coal forest flora. They sometimes reached heights of over 30 metres (100 ft), and the trunks were often over 1 m (3.3 ft) in diameter. They thrived during the Carboniferous Period (about 359.2 ± 2.5 Mya (million years ago) to about 299.0 ± 0.8 Mya) before going extinct. Sometimes erroneously called "giant club mosses", they were actually more closely related to today's quillworts than to modern club mosses. The name Lepidodendron comes from the Greek lepido, scale, and dendron, tree. By the Mesozoic era, the giant lycopsids had died out and were replaced by conifers as well as smaller Quillworts. This may have been the result of competition from the emerging woody gymnosperms. Lepidodendron is one of the more common plant fossils found in Pennsylvanian (Late Carboniferous) age rocks. They are closely related to other extinct Lycopsid genera, Sigillaria and Lepidendropsis. Kingdom: Plantae Phylum: Lycopodiophyta Class: Isoetopsida Order: †Lepidodendrales Family: †Lepidodendraceae Genus: †Lepidodendron
  8. From the album: MY FOSSIL Collection - Dpaul7

    Lepidodendron Fossil SITE LOCATION: Eastern Kentucky TIME PERIOD: Carboniferous, Pennsylvanian Period (307-331 Million Yeas Ago) Lepidodendron — also known as scale tree — is an extinct genus of primitive, vascular, arborescent (tree-like) plant related to the lycopsids (club mosses). They were part of the coal forest flora. They sometimes reached heights of over 30 metres (100 ft), and the trunks were often over 1 m (3.3 ft) in diameter. They thrived during the Carboniferous Period (about 359.2 ± 2.5 Mya (million years ago) to about 299.0 ± 0.8 Mya) before going extinct. Sometimes erroneously called "giant club mosses", they were actually more closely related to today's quillworts than to modern club mosses. The name Lepidodendron comes from the Greek lepido, scale, and dendron, tree. By the Mesozoic era, the giant lycopsids had died out and were replaced by conifers as well as smaller Quillworts. This may have been the result of competition from the emerging woody gymnosperms. Lepidodendron is one of the more common plant fossils found in Pennsylvanian (Late Carboniferous) age rocks. They are closely related to other extinct Lycopsid genera, Sigillaria and Lepidendropsis. Kingdom: Plantae Phylum: Lycopodiophyta Class: Isoetopsida Order: †Lepidodendrales Family: †Lepidodendraceae Genus: †Lepidodendron
  9. From the album: MY FOSSIL Collection - Dpaul7

    Lepidodendron Fossil SITE LOCATION: Eastern Kentucky TIME PERIOD: Carboniferous, Pennsylvanian Period (307-331 Million Yeas Ago) Lepidodendron — also known as scale tree — is an extinct genus of primitive, vascular, arborescent (tree-like) plant related to the lycopsids (club mosses). They were part of the coal forest flora. They sometimes reached heights of over 30 metres (100 ft), and the trunks were often over 1 m (3.3 ft) in diameter. They thrived during the Carboniferous Period (about 359.2 ± 2.5 Mya (million years ago) to about 299.0 ± 0.8 Mya) before going extinct. Sometimes erroneously called "giant club mosses", they were actually more closely related to today's quillworts than to modern club mosses. The name Lepidodendron comes from the Greek lepido, scale, and dendron, tree. By the Mesozoic era, the giant lycopsids had died out and were replaced by conifers as well as smaller Quillworts. This may have been the result of competition from the emerging woody gymnosperms. Lepidodendron is one of the more common plant fossils found in Pennsylvanian (Late Carboniferous) age rocks. They are closely related to other extinct Lycopsid genera, Sigillaria and Lepidendropsis. Kingdom: Plantae Phylum: Lycopodiophyta Class: Isoetopsida Order: †Lepidodendrales Family: †Lepidodendraceae Genus: †Lepidodendron
  10. Dpaul7

    3-D CALAMITES a.jpg

    From the album: MY FOSSIL Collection - Dpaul7

    Calamite Tree Fossil SITE LOCATION: eastern Kentucky TIME PERIOD: Carboniferous, Pennsylvanian Period (330 million years ago) Data: Calamites is a genus of extinct arborescent (tree-like) horsetails to which the modern horsetails (genus Equisetum) are closely related. Unlike their herbaceous modern cousins, these plants were medium-sized trees, growing to heights of more than 30 meters (100 feet). They were components of the understories of coal swamps of the Carboniferous Period (around 360 to 300 million years ago). A number of organ taxa have been identified as part of a united organism, which has inherited the name Calamites in popular culture. Calamites correctly refers only to casts of the stem of Carboniferous/Permian sphenophytes, and as such is a form genus of little taxonomic value. There are two forms of casts, which can give mistaken impressions of the organisms. The most common is an internal cast of the hollow (or pith-filled) void in the centre of the trunk. This can cause some confusion: firstly, it must be remembered that a fossil was probably surrounded with 4-5 times its width in (unpreserved) vascular tissue, so the organisms were much wider than the internal casts preserved. Further, the fossil gets narrower as it attaches to a rhizoid, a place where one would expect there to be the highest concentration of vascular tissue (as this is where the peak transport occurs). However, because the fossil is a cast, the narrowing in fact represents a constriction of the cavity, into which vascular tubes encroach as they widen. The trunks of Calamites had a distinctive segmented, bamboo-like appearance and vertical ribbing. The branches, leaves and cones were all borne in whorls. The leaves were needle-shaped, with up to 25 per whorl. Their trunks produced secondary xylem, meaning they were made of wood. The vascular cambium of Calamites was unifacial, producing secondary xylem towards the stem center, but not secondary phloem. The stems of modern horsetails are typically hollow or contain numerous elongated air-filled sacs. Calamites was similar in that its trunk and stems were hollow, like wooden tubes. When these trunks buckled and broke, they could fill with sediment. This is the reason pith casts of the inside of Calamites stems are so common as fossils. Kingdom: Plantae Phylum: Pteridophyta Class: Equisetopsida Order: Equisetales Family: †Calamitaceae Genus: †Calamites
  11. Dpaul7

    3-D CALAMITES a.jpg

    From the album: MY FOSSIL Collection - Dpaul7

    Calamite Tree Fossil SITE LOCATION: eastern Kentucky TIME PERIOD: Carboniferous, Pennsylvanian Period (330 million years ago) Data: Calamites is a genus of extinct arborescent (tree-like) horsetails to which the modern horsetails (genus Equisetum) are closely related. Unlike their herbaceous modern cousins, these plants were medium-sized trees, growing to heights of more than 30 meters (100 feet). They were components of the understories of coal swamps of the Carboniferous Period (around 360 to 300 million years ago). A number of organ taxa have been identified as part of a united organism, which has inherited the name Calamites in popular culture. Calamites correctly refers only to casts of the stem of Carboniferous/Permian sphenophytes, and as such is a form genus of little taxonomic value. There are two forms of casts, which can give mistaken impressions of the organisms. The most common is an internal cast of the hollow (or pith-filled) void in the centre of the trunk. This can cause some confusion: firstly, it must be remembered that a fossil was probably surrounded with 4-5 times its width in (unpreserved) vascular tissue, so the organisms were much wider than the internal casts preserved. Further, the fossil gets narrower as it attaches to a rhizoid, a place where one would expect there to be the highest concentration of vascular tissue (as this is where the peak transport occurs). However, because the fossil is a cast, the narrowing in fact represents a constriction of the cavity, into which vascular tubes encroach as they widen. The trunks of Calamites had a distinctive segmented, bamboo-like appearance and vertical ribbing. The branches, leaves and cones were all borne in whorls. The leaves were needle-shaped, with up to 25 per whorl. Their trunks produced secondary xylem, meaning they were made of wood. The vascular cambium of Calamites was unifacial, producing secondary xylem towards the stem center, but not secondary phloem. The stems of modern horsetails are typically hollow or contain numerous elongated air-filled sacs. Calamites was similar in that its trunk and stems were hollow, like wooden tubes. When these trunks buckled and broke, they could fill with sediment. This is the reason pith casts of the inside of Calamites stems are so common as fossils. Kingdom: Plantae Phylum: Pteridophyta Class: Equisetopsida Order: Equisetales Family: †Calamitaceae Genus: †Calamites
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