Echinoidea class (Sea Urchins, Sand Dollars, and Heart Urchins)
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)
![Euechinoidea IMG_0879b.jpg](images/small/IMG_0879b.jpg) |
sea urchins
Euechinoidea subclass
Location: West Coast, Hawaii County, HI
Photo Date: 1/1/2008
Remarks: (The blue-gray urchins - pencil?)
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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
![Strongylocentrotidae IMG_0211c.jpg](images/small/IMG_0211c.jpg) |
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)
![Strongylocentrotus droebachiensis P1060874a.jpg](images/small/P1060874a.jpg) |
Green Sea Urchin
Strongylocentrotus droebachiensis
Location: gustavus, AK
Photo Date: 5/14/2006
Location: gustavus, AK
Photo Date: 5/14/2006
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![Strongylocentrotus droebachiensis P1060874a.jpg](images/smaller/P1060874a.jpg) ![Strongylocentrotus droebachiensis P1060876a.jpg](images/smaller/P1060876a.jpg) |
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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)
![Echinometra IMG_0498a.jpg](images/small/IMG_0498a.jpg) |
Rock-boring Urchins
Echinometra genus
Location: San Blas, Panama
Photo Date: 5/18/2007
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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)
![Echinometra mathaei P0601971a.jpg](images/small/P0601971a.jpg) |
Indo-Pacific Rock-boring Urchin
Echinometra mathaei
Location: Honolulu, Honolulu County, HI
Photo Date: 2/27/2023
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Location: Honolulu, Honolulu County, HI
Photo Date: 2/27/2023
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![Echinometra mathaei P0601971a.jpg](images/smaller/P0601971a.jpg) ![Echinometra mathaei P0601966a.jpg](images/smaller/P0601966a.jpg) |
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![Echinometra mathaei Q0020134a.jpg](images/small/Q0020134a.jpg) |
Indo-Pacific Rock-boring Urchin
Echinometra mathaei
Location: Eastern District County, American Samoa
Photo Date: 2/26/2023
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![Echinometra mathaei Q0020085a.jpg](images/small/Q0020085a.jpg) |
Indo-Pacific Rock-boring Urchin
Echinometra mathaei
Location: Kahe Point Beach Park, Honolulu County, HI
Photo Date: 2/26/2023
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![Echinometra mathaei Q0020062a.jpg](images/small/Q0020062a.jpg) |
Indo-Pacific Rock-boring Urchin
Echinometra mathaei
Location: Kahe Point Beach Park, Honolulu County, HI
Photo Date: 2/26/2023
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![Echinometra mathaei Q0000037b.jpg](images/small/Q0000037b.jpg) |
Indo-Pacific Rock-boring Urchin
Echinometra mathaei
Location: s, Honolulu County, HI
Photo Date: 2/24/2023
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![Echinometra mathaei IMG_0144a.jpg](images/small/IMG_0144a.jpg) |
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)
![Evechinus chloroticus P0009900a.jpg](images/small/P0009900a.jpg) |
Kina
Evechinus chloroticus
Location: Cable Bay, Nelson, New Zealand
Photo Date: 2/10/2020
Location: Cable Bay, Nelson, New Zealand
Photo Date: 2/10/2020
Location: Cable Bay, Nelson, New Zealand
Photo Date: 2/10/2020
Location: Cable Bay, Nelson, New Zealand
Photo Date: 2/10/2020
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![Evechinus chloroticus P0009900a.jpg](images/smaller/P0009900a.jpg) ![Evechinus chloroticus P0009901a.jpg](images/smaller/P0009901a.jpg) ![Evechinus chloroticus P0009904a.jpg](images/smaller/P0009904a.jpg) ![Evechinus chloroticus P0009908a.jpg](images/smaller/P0009908a.jpg) |
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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)
![Heterocentrotus mamillatus Q0000121a.jpg](images/small/Q0000121a.jpg) |
Red Pencil Urchin
Heterocentrotus mamillatus
Location: Kahe Point Beach Park, Honolulu County, HI
Photo Date: 2/24/2023
Remarks: (left)
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Location: Kahe Point Beach Park, Honolulu County, HI
Photo Date: 2/24/2023
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![Heterocentrotus mamillatus Q0000121a.jpg](images/smaller/Q0000121a.jpg) ![Heterocentrotus mamillatus Q0000123a.jpg](images/smaller/Q0000123a.jpg) |
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![Heterocentrotus mamillatus Q0000077c.jpg](images/small/Q0000077c.jpg) |
Red Pencil Urchin
Heterocentrotus mamillatus
Location: Kahe Point Beach Park, Honolulu County, HI
Photo Date: 2/24/2023
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![Heterocentrotus mamillatus Q0000043b.jpg](images/small/Q0000043b.jpg) |
Red Pencil Urchin
Heterocentrotus mamillatus
Location: Kahe Point Beach Park, Honolulu County, HI
Photo Date: 2/24/2023
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![Heterocentrotus mamillatus IMG_0470a.jpg](images/small/IMG_0470a.jpg) |
Red Pencil Urchin
Heterocentrotus mamillatus
Location: Midway Atoll, United States
Photo Date: 6/25/2008
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![Heterocentrotus mamillatus IMG_0747a.jpg](images/small/IMG_0747a.jpg) |
Red Pencil Urchin
Heterocentrotus mamillatus
Location: West Coast, Hawaii County, HI
Photo Date: 12/30/2007
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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)
![Tripneustes gratilla Q0000120a.jpg](images/small/Q0000120a.jpg) |
Collector Urchin
Tripneustes gratilla
Location: Kahe Point Beach Park, Honolulu County, HI
Photo Date: 2/24/2023
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![Tripneustes gratilla IMG_0148a.jpg](images/small/IMG_0148a.jpg) |
Collector Urchin
Tripneustes gratilla
Location: Niihau Island, Kauai County, HI
Photo Date: 6/14/2008
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![Tripneustes gratilla IMG_0889a.jpg](images/small/IMG_0889a.jpg) |
Collector Urchin
Tripneustes gratilla
Location: West Coast, Hawaii County, HI
Photo Date: 1/1/2008
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![Tripneustes gratilla IMG_0877a.jpg](images/small/IMG_0877a.jpg) |
Collector Urchin
Tripneustes gratilla
Location: West Coast, Hawaii County, HI
Photo Date: 1/1/2008
Location: West Coast, Hawaii County, HI
Photo Date: 1/1/2008
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![Tripneustes gratilla IMG_0877a.jpg](images/smaller/IMG_0877a.jpg) ![Tripneustes gratilla IMG_0879a.jpg](images/smaller/IMG_0879a.jpg) |
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Diadematidae family
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
![Diadematidae Q0020053a.jpg](images/small/Q0020053a.jpg) |
Diadematidae family
Location: Kahe Point Beach Park, Honolulu County, HI
Photo Date: 2/26/2023
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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
![Diadema IMG_0283a.jpg](images/small/IMG_0283a.jpg) |
Diadema genus
Location: San Blas Islands, Comarca Guna Yala, Panama
Photo Date: 5/17/2007
Remarks: sea urchin
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Diadema mexicanum
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 » Diadema mexicanum
![Diadema mexicanum IMG_0282a.jpg](images/small/IMG_0282a.jpg) |
Diadema mexicanum
Location: Cocos Island, Cost Rica
Photo Date: 6/30/2009
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Echinothrix 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 » Echinothrix
![Echinothrix Q0000121b.jpg](images/small/Q0000121b.jpg) |
Echinothrix genus
Location: Kahe Point Beach Park, Honolulu County, HI
Photo Date: 2/24/2023
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![Echinothrix Q0000032a.jpg](images/small/Q0000032a.jpg) |
Echinothrix genus
Location: Kahe Point Beach Park, Honolulu County, HI
Photo Date: 2/24/2023
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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)
![Echinothrix calamaris Q0020152a.jpg](images/small/Q0020152a.jpg) |
Banded Sea Urchin
Echinothrix calamaris
Location: Eastern District County, American Samoa
Photo Date: 2/26/2023
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Location: Eastern District County, American Samoa
Photo Date: 2/26/2023
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![Echinothrix calamaris Q0020152a.jpg](images/smaller/Q0020152a.jpg) ![Echinothrix calamaris Q0020153a.jpg](images/smaller/Q0020153a.jpg) |
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![Echinothrix calamaris IMG_0664a.jpg](images/small/IMG_0664a.jpg) |
Banded Sea Urchin
Echinothrix calamaris
Location: Molokini Crater, Maui County, HI
Photo Date: 12/25/2007
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![Echinothrix calamaris IMG_0658b.jpg](images/small/IMG_0658b.jpg) |
Banded Sea Urchin
Echinothrix calamaris
Location: Molokini Crater, Maui County, HI
Photo Date: 12/25/2007
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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)
![Echinothrix diadema IMG_0156a.jpg](images/small/IMG_0156a.jpg) |
Blue-black Urchin
Echinothrix diadema
Location: Niihau Island, Kauai County, HI
Photo Date: 6/14/2008
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