Definition of Tailshield. Meaning of Tailshield. Synonyms of Tailshield

Here you will find one or more explanations in English for the word Tailshield. Also in the bottom left of the page several parts of wikipedia pages related to the word Tailshield and, of course, Tailshield synonyms and on the right images related to the word Tailshield.

Definition of Tailshield

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Meaning of Tailshield from wikipedia

- China, Sweden, the Russian Federation, and Kazakhstan. Its headshield and tailshield are almost completely effaced and it has two thorax segments. T. bituberculatus...
- agnostid trilobite. It has a headshield (or cephalon) wider than the tailshield (pygidium), and in between them three thoracic body segments (somites)...
- may have an exta large and wide rib (a state called macropleural). The tailshield (or pygidium) is small but appears to be composed of more than one segment...
- a small, rather flat trilobite with an oval outline, a headshield and tailshield of approximately the same size, 7 articulating segments in the middle...
- genal spines, 5 thorax segments also ending in stubby genal spines, and a tailshield (pygidium) with a pair of m****ive tusk-like spines, and two smaller spines...
- trilobite. It has a headshield (or cephalon) slightly larger than the tailshield (pygidium), and in between them six thoracic body segments (somites)....
- (or pleurae) are furrowed, and the articulating facets distinct. The tailshield (or pygidium) is always smaller than the headshield (or cephalon), a situation...
- anterior segment to slightly pointing inwards for the posterior segment. The tailshield (or pygidium) is large, subtriangular, and about two-thirds to three-fourths...
- headshield (or cephalon) is almost entirely effaced and wider than the tailshield (or pygidium). The pygidium is also very effaced, but the ovate pygidial...
- (Newfoundland). It can be recognized by its strongly effaced headshield and tailshield, with narrow but distinct furrows and borders along its margins, and three...