The Phymosomatoida are an order of sea urchins, found in Europe, North America, North Africa and the Middle East. They are distinguished from other sea urchins by the presence of large fused plates on top of the feeding lantern. The test is usually sculpted to some degree, but, unlike their close relatives the Temnopleuroida, the tubercles are never perforated. The opening in the test through which the anus passes, known as the periproct, is unusually large in sea urchins from this group. The apical disc, around the mouth, is only loosely attached to the rest of the test and is often missing in fossil species, giving the false impression that they also have a large oral opening.
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| - Phymosomatoida (en)
- Fimosomatoides (ca)
- Phymosomatoida (fr)
- Phymosomatoida (nl)
- Phymosomatoida (pt)
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| - Els fimosomatoides (Phymosomatoida) són un ordre extint d'equinoïdeus que van viure a Europa, Nord-amèrica, nord d'Àfrica i Oriente Mitjà, entre el Juràssic (Toarcià) i l'Eocè. (ca)
- Les Phymosomatoida sont un ordre d'oursins qui vécurent notamment en Europe, Amérique du Nord, Afrique du Nord et au Moyen-Orient. La quasi-totalité des oursins de cet ordre sont aujourd'hui éteints. (fr)
- The Phymosomatoida are an order of sea urchins, found in Europe, North America, North Africa and the Middle East. They are distinguished from other sea urchins by the presence of large fused plates on top of the feeding lantern. The test is usually sculpted to some degree, but, unlike their close relatives the Temnopleuroida, the tubercles are never perforated. The opening in the test through which the anus passes, known as the periproct, is unusually large in sea urchins from this group. The apical disc, around the mouth, is only loosely attached to the rest of the test and is often missing in fossil species, giving the false impression that they also have a large oral opening. (en)
- De Phymosomatoida zijn een orde van uitgestorven zee-egels (Echinoida) uit de superorde Calycina. (nl)
- Phymosomatoida , 1904 é uma ordem de ouriços-do-mar com distribuição natural nas costas atlânticas da Europa e América do Norte e no Mediterrâneo. O registo fóssil destes equinodermes é conhecido desde o Jurássico Inferior. (pt)
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| - Stomechinidae (en)
- †Phymosomatidae (en)
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| - Els fimosomatoides (Phymosomatoida) són un ordre extint d'equinoïdeus que van viure a Europa, Nord-amèrica, nord d'Àfrica i Oriente Mitjà, entre el Juràssic (Toarcià) i l'Eocè. (ca)
- Les Phymosomatoida sont un ordre d'oursins qui vécurent notamment en Europe, Amérique du Nord, Afrique du Nord et au Moyen-Orient. La quasi-totalité des oursins de cet ordre sont aujourd'hui éteints. (fr)
- The Phymosomatoida are an order of sea urchins, found in Europe, North America, North Africa and the Middle East. They are distinguished from other sea urchins by the presence of large fused plates on top of the feeding lantern. The test is usually sculpted to some degree, but, unlike their close relatives the Temnopleuroida, the tubercles are never perforated. The opening in the test through which the anus passes, known as the periproct, is unusually large in sea urchins from this group. The apical disc, around the mouth, is only loosely attached to the rest of the test and is often missing in fossil species, giving the false impression that they also have a large oral opening. (en)
- De Phymosomatoida zijn een orde van uitgestorven zee-egels (Echinoida) uit de superorde Calycina. (nl)
- Phymosomatoida , 1904 é uma ordem de ouriços-do-mar com distribuição natural nas costas atlânticas da Europa e América do Norte e no Mediterrâneo. O registo fóssil destes equinodermes é conhecido desde o Jurássico Inferior. (pt)
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