About: Pliomera

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Pliomera is a genus of trilobites that lived during the Middle Ordovician on the paleocontinent Baltica, now Norway, Sweden, Estonia and the Russian Federation, and in Argentina. It can be recognized for its pentagonal glabella widest between the frontal corners, with an inverted V-shaped occipital ring. In front of the occipital furrow that crosses the entire glabella, two pairs of dead-ending furrows create three side lobes left and right. The front of the glabella also has three dead-ending furrows, a very short one on the midline and left and right a longer one, directed inward and slightly backward. The eyes are small and are not connected to the glabella by an eye ridge. The thorax and pygidium are very regularly divided into up to 23 rather narrow segments, without a furrow within e

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  • Pliomera is a genus of trilobites that lived during the Middle Ordovician on the paleocontinent Baltica, now Norway, Sweden, Estonia and the Russian Federation, and in Argentina. It can be recognized for its pentagonal glabella widest between the frontal corners, with an inverted V-shaped occipital ring. In front of the occipital furrow that crosses the entire glabella, two pairs of dead-ending furrows create three side lobes left and right. The front of the glabella also has three dead-ending furrows, a very short one on the midline and left and right a longer one, directed inward and slightly backward. The eyes are small and are not connected to the glabella by an eye ridge. The thorax and pygidium are very regularly divided into up to 23 rather narrow segments, without a furrow within each of the pleurae. The pleurae are clearly wider than the axis. The pygidium ends in downward pointing toothlike spines. (en)
  • 多股蟲(學名:Pliomera)是生存在奧陶紀海洋中的一屬三葉蟲。牠們的胸部分為12~18節,尾部則分為4-5節,且其尾部肋區(Pleura)並未密合,因此學者推測當牠們身體捲曲成防衛型態時,海水仍可順利由其尾部的縫隙流入下腹,使牠們能以防禦之姿順利呼吸。其化石分布於阿根廷、中國、俄羅斯和挪威等地。 (zh)
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  • Amphion (Pander, 1830), nonAmphion(Hubner, 1816) (the Nessus sphinx, a hawkmoth)
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dbp:genus
  • Pliomera (en)
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  • Angelin, 1852 (en)
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  • Pliomera fischeri (en)
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dbp:phylum
  • Arthropoda (en)
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  • Animalia (en)
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  • * P. fischeri ( ) synonyms Asaphus fischeri, Calymene polytoma, C. frontiloba ** P. fischeri fischeri ** P. fischeri asiatica (Chugaeva, 1964) * P. anderkensis (Weber, 1948) * P. brevicapitata * P. iliensis ( Koroleva, 1959) * P. ingsanigensis ( Reed, 1906) * P. mathesii ( Angelin, 1854) * P. pseudoarticulata ( Reed, 1910) * P. tmetophrys ( Harrington & Leanza, 1957) (en)
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  • Amphion (Pander, 1830), non Amphion (Hubner, 1816) (en)
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  • 多股蟲(學名:Pliomera)是生存在奧陶紀海洋中的一屬三葉蟲。牠們的胸部分為12~18節,尾部則分為4-5節,且其尾部肋區(Pleura)並未密合,因此學者推測當牠們身體捲曲成防衛型態時,海水仍可順利由其尾部的縫隙流入下腹,使牠們能以防禦之姿順利呼吸。其化石分布於阿根廷、中國、俄羅斯和挪威等地。 (zh)
  • Pliomera is a genus of trilobites that lived during the Middle Ordovician on the paleocontinent Baltica, now Norway, Sweden, Estonia and the Russian Federation, and in Argentina. It can be recognized for its pentagonal glabella widest between the frontal corners, with an inverted V-shaped occipital ring. In front of the occipital furrow that crosses the entire glabella, two pairs of dead-ending furrows create three side lobes left and right. The front of the glabella also has three dead-ending furrows, a very short one on the midline and left and right a longer one, directed inward and slightly backward. The eyes are small and are not connected to the glabella by an eye ridge. The thorax and pygidium are very regularly divided into up to 23 rather narrow segments, without a furrow within e (en)
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  • Pliomera (en)
  • 多股蟲 (zh)
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