Pygidium
Pygidium The pygidium is the posterior body part or shield ... separated from thoracic segments by an articulation. Pygidium is also a superseded genus of fish ... in some species allowed enrollment), and a pygidium, or tail section. � Sam Gon III In trilobites, the pygidium can range from extremely small (much ...
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User:PAR/Work2
... The axis is infrequently spine-bearing. The pygidium is typically small, but can be larger ... suborder contains three superfamilies: Taxon Cephalon Thorax Pygidium x Suborder Redlichiina with opisthoparian facial sutures ... of thoracic segments in a trilobite species). Pygidium:.a minute, segmented disc. Families: Emuellidae Genera ... not with characters of Emuelloidea or Paradoxidoidea. Pygidium: as in Redlichiina, but not with characters ... 1st and 2nd segments may be macropleural. Pygidium: generally small in Paradoxididae, but tending ...
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Trilobite
... in some species allowed enrollment), and a pygidium, or tail section. � Sam Gon III ... on the body sections cephalon, thorax and pygidium, but rather on the three longitudinal lobes ... composed of freely articulating segments; and a pygidium (tail) composed of the last few segments ... not the division into cephalon, thorax and pygidium. Although trilobites were only armored on top ...
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Trilobita   (translated from Italian)
... cronostratigrafici. Anatomy *I - Cefalo *II - Thorace *III - Pygidium *1 - Sutura you make them *2 - Librigena ... that, fused between they, go to constitute pygidium. The trilobita name makes reference not to the partition in cephalon, thorax and pygidium, but to the three longitudinal lobes it ...
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Agnostida   (translated from German)
... similar head sign (Cephalon) and tail sign (Pygidium), typically often rolled up. That head sign ... subordination Agnostina) or three (Eodiscina) segments. The Pygidium is oriented in form and size of ...
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Telson   (translated from German)
... on! As Telson (border, border furrow) or Pygidium (gr. pyge - Steiss, -idium - Diminutiv - Suffix for ... characteristic of a genuine segment Extremities. The Pygidium designates with that Trilobiten the tail sign ...
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Cercus   (translated from German)
... Extremities the last abdomen segment before that Pygidium and are also with many Taxa available ... unpaar at the all-last segment, that Pygidium, rises. This becomes as Terminalfilum designated.
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Terminalfilum   (translated from German)
... education of the last abdomen segment, that Pygidium. Under normal conditions the Terminalfilum is long ... arise, at the last segment before the Pygidium as Cerci are designated.
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Trilobiten   (translated from German)
... region ( Thorax ) as well as tail sign (Pygidium). Form and size of the Cephalons, the ... which extend from the Cephalon to the Pygidium, are what gives its name to the ...
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Dalmanites
... eleven pleural ribs, with the relatively large pygidium being composed of several additional fused segments. The pygidium ends in a striking tail spike. During ...
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