Polished Fusulinid Fossil Stone 3.3 to 8.3 g Small size pieces 226.5 gram Lot

Description

Well polished Natural Fusulinid Fossil Stone
- 226.5 gram Lot = 0.5 pound
Weight per piece: 3.3 to 8.3 gram
Sizes:  20x12x11 mm to 19x18x11 mm (0.8x0.5x0.4 to 0.7x0.7x0.4 inch)
57 pieces in this lot
***
Fusulinid Fossil Stone
Selltotheworld
From all around the world
Polished Fusulinid Fossil Stone 3.3 to 8.3 g Small size pieces 226.5 gram Lot
Well polished Natural
Fusulinid Fossil Stone
- 226.5 gram
Lot = 0.5 pound
Weight per piece: 3.3 to 8.3 gram
Sizes:  20x12x11
mm to 19x18x11 mm (0.8x0.5x0.4 to 0.7x0.7x0.4 inch)
57 pieces in this lot
***
Fusulinid Fossil Stone
Fusulinids were small, marine organisms that were common inhabitants of the world's seas during the Pennsylvanian and Permian Periods, from about 315 to 250 million years ago. The earliest fusulinids occur in rocks deposited during the late Mississippian Period, more than 320 million years ago. Fusulinids became extinct during the mass extinction at the end of the Permian Period, about 250 million years ago.
Their shells resemble a grain of rice, with respect to both size and shape. Unlike multicellular animals, which accomplish basic life functions (such as locomotion, feeding, digestion, and reproduction) through a wide range of specialized cells, fusulinids and other single-celled organisms have to carry on these same functions within the confines of a single cell. As a result, the cell is highly complex.
In fusulinids, complexity is evident in the structure of the hard calcium carbonate shells, called tests. Internally, the tests, which are made up of calcium carbonate, are divided into a series of chambers. By studying living relatives of the fusulinids (a group called the foraminifera), scientists know that the tests were secreted by the protoplasm, the living material within the cell. As fusulinids grew, the test coiled around itself, adding chambers along its longitudinal axis.
The earliest fusulinids were minute, smaller than the head of a pin, and somewhat spherical in shape. During their 80 million years on earth, fusulinids evolved rapidly, typically becoming progressively longer and narrower. By the late Permian Period, some forms were over two inches long, an amazing size for a single-celled organism.
As fusulinids evolved, the internal test walls also became increasingly complex, with more ornate subdivisions of their internal chambers. Fusulinids look fairly similar from the outside. In order to identify them, scientists usually examine a cross section of the fossil test under a microscope.
Because of their rapid evolution and their occurrence in the rocks from around the world, fusulinids are extremely useful in correlating the ages of sedimentary rocks from different parts of the earth. By matching the kinds of fusulinids contained within sedimentary rock formations, geologists can show that far-flung rock strata--as widely separated as Kansas and Russia--were deposited at approximately the same time.
By studying the rocks in which fusulinids are found, geologists can determine what kind of environment they lived in. Apparently, fusulinids preferred a clear-water, offshore environment and may have been reef dwellers. The mass extinction at the end of the Permian Period decimated the world's reefs and their occupants.
Stratigraphic Range: Upper Mississippian to Upper Permian.
Taxonomic Classification: Fusulinids belong to the Kingdom Protoctista, Phylum Protozoa, Order Foraminiferida, Suborder Fusulinina, Family Fusulinidae.
Item Specifics
Country of Manufacture :
China
Type :
Decorator Pieces
Modified Item :
No
Country/Region of Manufacture :
China
Payment
By Paypal
Shipping
Free shipping cost.
We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.
We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.
Returns
Returns: We accept returns with any reason in 30 days.
Contact Us
We will answer buyer messages within 24 hours during working days.
Selltotheworld
From all around the world
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Polished Fusulinid Fossil Stone 3.3 to 8.3 g Small size pieces 226.5 gram Lot
Well polished Natural
Fusulinid Fossil Stone
- 226.5 gram
Lot = 0.5 pound
Weight per piece: 3.3 to 8.3 gram
Sizes:  20x12x11
mm to 19x18x11 mm (0.8x0.5x0.4 to 0.7x0.7x0.4 inch)
57 pieces in this lot
***
Fusulinid Fossil Stone
Fusulinids were small, marine organisms that were common inhabitants of the world's seas during the Pennsylvanian and Permian Periods, from about 315 to 250 million years ago. The earliest fusulinids occur in rocks deposited during the late Mississippian Period, more than 320 million years ago. Fusulinids became extinct during the mass extinction at the end of the Permian Period, about 250 million years ago.
Their shells resemble a grain of rice, with respect to both size and shape. Unlike multicellular animals, which accomplish basic life functions (such as locomotion, feeding, digestion, and reproduction) through a wide range of specialized cells, fusulinids and other single-celled organisms have to carry on these same functions within the confines of a single cell. As a result, the cell is highly complex.
In fusulinids, complexity is evident in the structure of the hard calcium carbonate shells, called tests. Internally, the tests, which are made up of calcium carbonate, are divided into a series of chambers. By studying living relatives of the fusulinids (a group called the foraminifera), scientists know that the tests were secreted by the protoplasm, the living material within the cell. As fusulinids grew, the test coiled around itself, adding chambers along its longitudinal axis.
The earliest fusulinids were minute, smaller than the head of a pin, and somewhat spherical in shape. During their 80 million years on earth, fusulinids evolved rapidly, typically becoming progressively longer and narrower. By the late Permian Period, some forms were over two inches long, an amazing size for a single-celled organism.
As fusulinids evolved, the internal test walls also became increasingly complex, with more ornate subdivisions of their internal chambers. Fusulinids look fairly similar from the outside. In order to identify them, scientists usually examine a cross section of the fossil test under a microscope.
Because of their rapid evolution and their occurrence in the rocks from around the world, fusulinids are extremely useful in correlating the ages of sedimentary rocks from different parts of the earth. By matching the kinds of fusulinids contained within sedimentary rock formations, geologists can show that far-flung rock strata--as widely separated as Kansas and Russia--were deposited at approximately the same time.
By studying the rocks in which fusulinids are found, geologists can determine what kind of environment they lived in. Apparently, fusulinids preferred a clear-water, offshore environment and may have been reef dwellers. The mass extinction at the end of the Permian Period decimated the world's reefs and their occupants.
Stratigraphic Range: Upper Mississippian to Upper Permian.
Taxonomic Classification: Fusulinids belong to the Kingdom Protoctista, Phylum Protozoa, Order Foraminiferida, Suborder Fusulinina, Family Fusulinidae.
Item Specifics
Country of Manufacture :
China
Type :
Decorator Pieces
Modified Item :
No
Country/Region of Manufacture :
China
Payment
By Paypal
Shipping
Free shipping cost.
We send the goods to USA, Canada, UK, Australia, New Zealand, EU countries and some other European and Asian countries by E-express, a kind of fast postal service by Hong Kong Post. It usually takes about 6 to 10 working days for delivery.
We send the goods to other countries by registered airmail and will take about 8 to 14 working days for delivery.
Returns
Returns: We accept returns with any reason in 30 days.
Contact Us
We will answer buyer messages within 24 hours during working days.
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