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Antiarchi ("opposite anus") is an order of heavily armored placoderms. The antiarchs form the second-most successful group of placoderms after the arthrodires in terms of numbers of species and range of environments. The order's name was coined by Edward Drinker Cope, who, when examining some fossils that he thought were armored tunicates related to , mistakenly thought that the orbital fenestra (i.e., the hole in the headshield for the eyes, nose and pineal foramen) was the opening for the mouth, or oral siphon, and that the opening for the anal siphon was on the other side of the body, as opposed to having both oral and anal siphons together at one end.

AttributesValues
rdf:type
rdfs:label
  • Antiarchi (en)
  • Antiarchi (de)
  • Antiarchi (es)
  • Antiarchi (it)
  • Antiarchi (fr)
  • Antiarchi (nl)
  • Antiarchi (pl)
  • Антиархи (ru)
  • Armpansarhajar (sv)
  • Антиархи (uk)
  • 胴甲魚目 (zh)
rdfs:comment
  • Les antiarches (Antiarchi) sont un ordre de poissons fossiles. (fr)
  • Gli antiarchi (Antiarchi) sono un ordine di pesci placodermi, vissuti principalmente nel Devoniano. Furono l'ordine di placodermi di maggior successo dopo quello degli artrodiri. (it)
  • Antiarchi - rząd wymarłych ryb z gromady tarczowców. Żyły w dewonie. (pl)
  • Armpansarhajar (Antiarchi) är en fossil ordning bland pansarhajar. Armpansarhajarna hade ett kraftigt av ett fåtal sköldar sammansatt benpansar på huvudet och främre delen av bålen. Stjärtfenan var heterocerk, ögonen placerade på huvudets övre sida, bröstfenorna bepansrade medan bukfenor saknades. Bland släkten tillhörande ordningen märks Pterichthys, Astrolepis och Bothriolepis. Armpansarhajarna levde under devon och var antagligen bottenfiskar. (sv)
  • Антиа́рхи или антиархообра́зные (лат. Antiarchiformes, от др.-греч. ἀντι- +ἀρχή — противоположный конец) — отряд вымерших позвоночных из класса плакодерм (Placodermi). (ru)
  • Антиархи, або антиархоподібні (лат. Antiarchi) — ряд тварин з класу панцирні риби (Placodermi). (uk)
  • 胴甲魚目(Antiarchi)是一類已經滅絕的魚類,屬於盾皮魚類,生活在志留紀中期至泥盆紀末期,也是最早的有頜魚類之一;生活于淡水,少数种类生活于滨海中。 头和躯干前部被有骨甲,头甲和躯甲均由对称排列的甲片组成;头甲以关节同躯甲相连;眼位于头的背面,两眼靠近;胸鳍呈桨状,分成两节或不分节,表面被有甲片,以活动关节同躯甲相连;尾歪型;一或两个背鳍;感觉管为开沟式,位于甲片表面。 胴甲魚目是由美國早期著名的古生物學家愛德華·科普所命名的,雖然當時他將眼窩誤認為嘴部。 (zh)
  • Antiarchi ("opposite anus") is an order of heavily armored placoderms. The antiarchs form the second-most successful group of placoderms after the arthrodires in terms of numbers of species and range of environments. The order's name was coined by Edward Drinker Cope, who, when examining some fossils that he thought were armored tunicates related to , mistakenly thought that the orbital fenestra (i.e., the hole in the headshield for the eyes, nose and pineal foramen) was the opening for the mouth, or oral siphon, and that the opening for the anal siphon was on the other side of the body, as opposed to having both oral and anal siphons together at one end. (en)
  • Die Antiarchi (Antiarcha, Antiarchiformes) sind eine Gruppe der ausgestorbenen Placodermi, stark gepanzerter fischartiger Wirbeltiere aus dem Devon. Sie lebten auf dem Boden, vor allem in Süßgewässern und waren sehr artenreich. Im Unterdevon waren sie noch selten (Fossilfunde in Yunnan, China) und kommen dann aber in großer Zahl in vielen Fossillagerstätten des mittleren und oberen Devon vor. Einige Funde gibt es auch aus dem untersten Unterkarbon. (de)
  • Los antiarcos (Antiarchi, “ano opuesto”) es el segundo orden más extenso de los placodermos conocidos, después de Arthrodira. El nombre del orden fue acuñado por Edward Drinker Cope hacia frente, que al examinar algunos fósiles que él pensó eran tunicados acorazados relacionados con , pensó equivocadamente que el la órbita del ojo era la boca, y que la abertura para el sifón anal estaba en el otro lado del cuerpo, en vez de tener sifones orales y anales juntos en un extremo. (es)
  • Antiarchi zijn een orde van uitgestorven vissen uit het Siluur en Devoon, die behoren tot de placodermen. De placodermen hadden allen een karakteristiek pantser van benen platen, maar de Antiarchi spanden de kroon. Ze hadden een pantser dat de hele kop omvatte dat alleen de ogen onbedekt liet. Alle Antiarchi waren bodembewoners. De meeste soorten waren zoetwaterdieren. In het Onder-Devoon zijn fossielen van Antiarchi nog relatief zeldzaam, maar uit het Midden- en Boven-Devoon is een grote diversiteit van soorten bekend. (nl)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Chuchinolepis_and_friends.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Bothriolepis_canadensis.jpg
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