Echinoderms: Crinoids, Starfish, Sand Dollars, Pentremites, Urchins
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Fascinating facts about Echinoderms: * Some species can regenerate (regrow) lost parts, including internal organs.
* Their larvae are bilaterally symmetrical, while adults are radially symmetrical.
* They are found only in Earth's oceans. * Their name means "spiny skinned."
QUALITY RATINGS SCALE: (6 = Outstanding - Images appearing in the right-hand column) *
Purchase by quality rating: (5 = Excellent) * (4 = Very Good) * (3 = Good) * (2 = Fair) * (1 = Field Quality)
The quality of the specimen you choose to purchase is reflected by its Quality Rating, i.e. not the quality as it appears in the illustration.
* Their larvae are bilaterally symmetrical, while adults are radially symmetrical.
* They are found only in Earth's oceans. * Their name means "spiny skinned."
QUALITY RATINGS SCALE: (6 = Outstanding - Images appearing in the right-hand column) *
Purchase by quality rating: (5 = Excellent) * (4 = Very Good) * (3 = Good) * (2 = Fair) * (1 = Field Quality)
The quality of the specimen you choose to purchase is reflected by its Quality Rating, i.e. not the quality as it appears in the illustration.
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Product #
|
Name
|
Description
|
Quality Cost
|
Image
|
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ECH00001
|
Crinoid Stems
|
Two stems.
~ 1" - 2" in length. |
3
|
$2.00
|
|
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ECH00002
|
Crinoid Crown
|
Genus identified on packaging label.
|
5
|
$20.00
|
|
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ECH00003
|
Brittle Star
|
Small specimen on matrix of shale.
|
5
|
$20.00
|
|
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ECH00004
|
Sand Dollar
|
~ 2.75" in diameter
|
3
|
$4.00
|
|
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ECH00005
|
Sand Dollar
|
Polished.
~ 3" in diameter. |
5
|
$9.00
|
|
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ECH00006
|
Sand Dollar
|
~ 2.0" in diameter.
|
3
|
$2.00
|
|
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ECH00007
|
Pentremite
|
Pentremite pyriformis, sp.
Upper Mississippian |
4
|
$4.00
|
|
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ECH00008
|
Sand Dollar
|
Nowa, Vic, Australia, Clypeaster gippslandicus, sp. Miocene. Central part of upper surface is raised.
|
6
|
$12.00
|
|
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ECH00009
|
Pentremite
|
Single calyx;
No matrix; very small specimen. |
4
|
$2.00
|
|
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ECH00010
|
Sand Dollar
|
Evidence of predation visible.
Ordivician to Recent. |
4
|
$6.00
|
|
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ECH00011
|
Crinoid stems
|
Three small specimens
|
4
|
$0.95
|
|
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ECH00012
|
Crinoid Crown
|
Excellent specimen.
|
5
|
$29.95
|
|
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ECH00014
|
Sand Dollar
|
Encope borealis, sp. Pleistocene. Both surfaces are very good.
|
4
|
$7.00
|
|
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ECH00015
|
Heart Urchin
|
Patterns visible but partially eroded.
|
3
|
$3.95
|
|
|
ECH00016
|
Crinoid Crown
|
Cyathocrinites.
Mississippian |
5
|
$19.95
|
|
|
ECH00017
|
Floating Crinoid
|
Saccocoma pectinate, sp. Solnhofen
Lagerstatte. |
5
|
$9.00
|
|
|
ECH00018
|
Crinoid Column
|
Several small stem columns on a single specimen.
|
5
|
$5.00
|
|
|
ECH00019
|
Sea Urchin
|
Cidaris pratti, sp. Tertiary. Eocene Pender County, NC ~ 2" Diameter
|
4
|
$9.00
|
|
|
ECH00020
|
Urchin, Extant
|
Plaster filled for strength. Outstanding surface features.
|
5
|
$6.00
|
|
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ECH00021 Sea Urchin Eupatagus, 5 $15.95
Miocene |
|
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ECH00023
|
Crinoid Stem
|
Pentremite pyriformis, sp. Features star-shaped holes at center
|
4
|
$2.00
|
|
|
ECH00024
|
Sand Dollar
|
A bit encrusted. ~ 3.5" in diameter.
|
4
|
$3.00
|
|
|
ECH00025
|
Sea Urchin
|
Dark in color
|
4
|
$2.50
|
|
|
ECH00027
|
Sea Urchin
|
Very small. Dark in color.
|
4
|
$1.00
|
|
|
ECH00028
|
Sea Urchin
|
Eupatagus.
Eocene Period. Lake Cnty., FL |
5
|
$9.95
|
|
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ECH00029
|
Brittle Star
|
Large specimen on matrix.
Outstanding specimen. ~ 5.5" in diameter. |
6
|
$30.00
|
|
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ECH00030
|
Sand Dollar
|
Polished. ~ 2.5" in diameter.
|
5
|
$6.00
|
|
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ECH00031
|
Sea Urchin
|
Schizechinus serialis, sp.
Small in size. Surface pattern is quite good. |
4
|
$6.00
|
|
|
ECH00032
|
Floating Crinoid
|
Saccocoma pectinate, sp. Lagerstatte. Sohnfohen Quarry, Germany.
|
6
|
$30.00
|
|
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ECH00033
|
Crinoid Stems
|
Four high quality specimens
|
5
|
$1.95
|
|
|
ECH00034
|
Pentremite
|
-entremites robustus, Mississip-ian period.
Large in size. |
3
|
$2.00
|
|
|
ECH00035
|
Sea Urchin
|
Cidaris pratti, sp
|
5
|
$19.95
|
|
|
ECH00038 Starfish Highly detailed. Items 4 $24.95
are similar to the photo. |
|
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ECH00039 Starfish On large matrix 4 $21.95
Items are similar to photo. |
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ECH00040 Starfish Fair quality 3 $16.95
Items are similar to photo. |
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