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Callichimaera perplexa is a species of small crabs known from the Cretaceous of Colombia and the Frontier Formation of the United States. Because it possesses a strange combination of anatomical features, it is said to be the "platypus of crabs". The presence of certain features in this species, such as its large claws and swimming limbs, confirm that those features were present in the crab lineage up to 95 million years ago. It evolved during the Cretaceous crab revolution.

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rdfs:label
  • Callichimaera (en)
  • Callichimaera perplexa (es)
  • Callichimaera perplexa (uk)
  • 丽魔蟹属 (zh)
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  • Callichimaera perplexa is a species of small crabs known from the Cretaceous of Colombia and the Frontier Formation of the United States. Because it possesses a strange combination of anatomical features, it is said to be the "platypus of crabs". The presence of certain features in this species, such as its large claws and swimming limbs, confirm that those features were present in the crab lineage up to 95 million years ago. It evolved during the Cretaceous crab revolution. (en)
  • Callichimaera perplexa es una especie y género extintos de artrópodo decápodo emparentado con los cangrejos, cuyos restos fósiles han sido hallados en el Cretácico de Colombia y Estados Unidos.​ Debido a que posee una extraña combinación de rasgos anatómicos, ha sido considerado como el "ornitorrinco de los cangrejos".​ La presencia de ciertas características en esta especie, tales como pinzas grandes y extremidades natatorias, confirman que estos rasgos ya estaban presentes en el linaje de los cangrejos hace más de 95 millones de años.​​ (es)
  • Callichimaera perplexa («Прекрасна химера, що спантеличує») — єдиний вид крабів викопного роду Callichimaera родини Callichimaeridae («Прекрасні химери») секції Callichimaeroida. Мешкав у крейдовому періоді (95—90 млн років тому). Є важливою ланкою в еволюції крабів. (uk)
  • 丽魔蟹属(学名:Callichimaera)是生活在白垩纪时期的哥伦比亚和美国的一种小螃蟹。因为它拥有奇怪的解剖学特征组合,所以被称为“螃蟹中的鸭嘴兽”。它的某些特征的存在,如大螯和适合游泳的腿,证实了这些特征在9500万年前就存在于螃蟹世系中。 (zh)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Callichimaera_perplexa_02_Photo_by_Javier_Luque.jpg
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authority
  • Luque et al., 2019 (en)
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fossil range
  • Middle Cretaceous, (en)
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  • Luque et al., 2019 (en)
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  • Two fossil specimens of C. perplexa (en)
parent authority
  • Luque et al., 2019 (en)
taxon
  • Callichimaera perplexa (en)
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  • Callichimaera perplexa is a species of small crabs known from the Cretaceous of Colombia and the Frontier Formation of the United States. Because it possesses a strange combination of anatomical features, it is said to be the "platypus of crabs". The presence of certain features in this species, such as its large claws and swimming limbs, confirm that those features were present in the crab lineage up to 95 million years ago. It evolved during the Cretaceous crab revolution. (en)
  • Callichimaera perplexa es una especie y género extintos de artrópodo decápodo emparentado con los cangrejos, cuyos restos fósiles han sido hallados en el Cretácico de Colombia y Estados Unidos.​ Debido a que posee una extraña combinación de rasgos anatómicos, ha sido considerado como el "ornitorrinco de los cangrejos".​ La presencia de ciertas características en esta especie, tales como pinzas grandes y extremidades natatorias, confirman que estos rasgos ya estaban presentes en el linaje de los cangrejos hace más de 95 millones de años.​​ (es)
  • Callichimaera perplexa («Прекрасна химера, що спантеличує») — єдиний вид крабів викопного роду Callichimaera родини Callichimaeridae («Прекрасні химери») секції Callichimaeroida. Мешкав у крейдовому періоді (95—90 млн років тому). Є важливою ланкою в еволюції крабів. (uk)
  • 丽魔蟹属(学名:Callichimaera)是生活在白垩纪时期的哥伦比亚和美国的一种小螃蟹。因为它拥有奇怪的解剖学特征组合,所以被称为“螃蟹中的鸭嘴兽”。它的某些特征的存在,如大螯和适合游泳的腿,证实了这些特征在9500万年前就存在于螃蟹世系中。 (zh)
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  • Luque et al., 2019 (en)
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