Definition of Pygidia. Meaning of Pygidia. Synonyms of Pygidia

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

Definition of Pygidia

Pygidia
Pygidium Py*gid"i*um, n.; pl. Pygidia. [NL., fr. Gr. ?, dim. of ? the rump.] (Zo["o]l.) The caudal plate of trilobites, crustacean, and certain insects. See Illust. of Limulus and Trilobite.

Meaning of Pygidia from wikipedia

- The pygidium (pl.: pygidia) is the posterior body part or shield of crustaceans and some other arthropods, such as insects and the extinct trilobites...
- entire body, from cephalon (head) to pygidium (tail). The sections of the pygidia are leaf-like in shape and also typically end in spines. The order is divided...
- cephalon). They also typically have 12 or more thoracic segments. The pygidia are usually small. The families of Harpetida were formerly included in...
- more forward directed toward the pygidium. The eyes are typically large. Pygidia are typically large, competing in size with the cephalon in some species...
- County in north Hunan, China. Fossil material include a cephalon and two pygidia. It was found to belong to family Diplagnostidae, subfamily Pseudagnostinae;...
- trilobites were named after the Welsh wizard Merlin, as the fossilised tails (pygidia) of trilobites were often mistaken for petrified butterflies, and were...
- Bathyuriscidella B. aff. B. amplicauda Bolaspidella contracta Subzone. 3 pygidia. A dolichometopid trilobite. Bathyuriscus B. elegans Bolaspidella contracta...
- Upper Cambrian PreꞒ Ꞓ O S D C P T J K Pg N Disarticulated cephalons and pygidia of Agnostus pisiformis, from Kinnekulle, Sweden Scientific classification...
- touching the border. Two species are known, one, T. idahoensis, only from pygidia. Thoracocare is derived from the Gr**** θώραξ (thorax) meaning "breastplate"...
- important index fossils. Like all agnostids, ptychagnostids have cephalons and pygidia that are more or less uniform in size and shape (isopygous). The thorax...