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Echinoidea class (Sea Urchins, Sand Dollars, and Heart Urchins)
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins)

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Sea Urchins, Sand Dollars, and Heart Urchins
Echinoidea class
Location: Cocos Island, Cost Rica
Photo Date: 6/30/2009




Euechinoidea subclass (sea urchins)
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins)

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sea urchins
Euechinoidea subclass
Location: West Coast, Hawaii County, HI
Photo Date: 1/1/2008
Remarks: (The blue-gray urchins - pencil?)




Strongylocentrotidae family
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins) » Carinacea » Echinacea » Camarodonta » Echinidea » Odontophora » Strongylocentrotidae

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Strongylocentrotidae family
Location: Kodiak Island County, AK
Photo Date: 8/4/2008
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Strongylocentrotus droebachiensis (Green Sea Urchin)
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins) » Carinacea » Echinacea » Camarodonta » Echinidea » Odontophora » Strongylocentrotidae » Strongylocentrotus » Strongylocentrotus droebachiensis (Green Sea Urchin)

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Green Sea Urchin
Strongylocentrotus droebachiensis
Location: gustavus, AK
Photo Date: 5/14/2006
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Echinometra genus (Rock-boring Urchins)
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins) » Carinacea » Echinacea » Camarodonta » Echinidea » Odontophora » Echinometridae » Echinometra (Rock-boring Urchins)

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Rock-boring Urchins
Echinometra genus
Location: San Blas, Panama
Photo Date: 5/18/2007




Echinometra mathaei (Indo-Pacific Rock-boring Urchin)
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins) » Carinacea » Echinacea » Camarodonta » Echinidea » Odontophora » Echinometridae » Echinometra (Rock-boring Urchins) » Echinometra mathaei (Indo-Pacific Rock-boring Urchin)

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Indo-Pacific Rock-boring Urchin
Echinometra mathaei
Location: Niihau Island, Kauai County, HI
Photo Date: 6/14/2008
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Evechinus chloroticus (Kina)
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins) » Carinacea » Echinacea » Camarodonta » Echinidea » Odontophora » Echinometridae » Evechinus » Evechinus chloroticus (Kina)

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Kina
Evechinus chloroticus
Location: Cable Bay, Nelson, New Zealand
Photo Date: 2/10/2020
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Heterocentrotus mamillatus (Red Pencil Urchin)
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins) » Carinacea » Echinacea » Camarodonta » Echinidea » Odontophora » Echinometridae » Heterocentrotus » Heterocentrotus mamillatus (Red Pencil Urchin)

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Red Pencil Urchin
Heterocentrotus mamillatus
Location: Midway Atoll, United States
Photo Date: 6/25/2008


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Red Pencil Urchin
Heterocentrotus mamillatus
Location: West Coast, Hawaii County, HI
Photo Date: 12/30/2007




Tripneustes gratilla (Collector Urchin)
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins) » Carinacea » Echinacea » Camarodonta » Echinidea » Odontophora » Toxopneustidae (Toxopneustids) » Tripneustes » Tripneustes gratilla (Collector Urchin)

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Collector Urchin
Tripneustes gratilla
Location: Niihau Island, Kauai County, HI
Photo Date: 6/14/2008
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Collector Urchin
Tripneustes gratilla
Location: West Coast, Hawaii County, HI
Photo Date: 1/1/2008


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Collector Urchin
Tripneustes gratilla
Location: West Coast, Hawaii County, HI
Photo Date: 1/1/2008
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Diadema genus
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins) » Acroechinoidea » Diadematoida » Diadematidae » Diadema

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Diadema genus
Location: San Blas Islands, Comarca Guna Yala, Panama
Photo Date: 5/17/2007
Remarks: sea urchin
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Echinothrix calamaris (Banded Sea Urchin)
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins) » Acroechinoidea » Diadematoida » Diadematidae » Echinothrix » Echinothrix calamaris (Banded Sea Urchin)

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Banded Sea Urchin
Echinothrix calamaris
Location: Molokini Crater, Maui County, HI
Photo Date: 12/25/2007


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Banded Sea Urchin
Echinothrix calamaris
Location: Molokini Crater, Maui County, HI
Photo Date: 12/25/2007




Echinothrix diadema (Blue-black Urchin)
Life (root) » Animalia (Animals) » Echinodermata (Echinoderms) » Echinozoa (sea urchins and sea cucumbers) » Echinoidea (Sea Urchins, Sand Dollars, and Heart Urchins) » Euechinoidea (sea urchins) » Acroechinoidea » Diadematoida » Diadematidae » Echinothrix » Echinothrix diadema (Blue-black Urchin)

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Blue-black Urchin
Echinothrix diadema
Location: Niihau Island, Kauai County, HI
Photo Date: 6/14/2008