notothyrium

notothyrium
Brack, нототириум
* * *
нототириум

English-Russian dictionary of geology. 2011.

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Смотреть что такое "notothyrium" в других словарях:

  • notothyrium — n. [Gr. notos, back; thyrion, door] (BRACHIOPODA) The triangular notch in the dorsal valve, when present, open to the hinge line facilitating pedicle exit, usually closed off from the hinge plate by the chilidium; see delthyrium …   Dictionary of invertebrate zoology

  • lamp shells — ▪ animal Introduction also called  brachiopod,         any member of the phylum Brachiopoda, a group of bottom dwelling marine invertebrates. They are covered by two valves, or shells; one valve covers the dorsal, or top, side; the other covers… …   Universalium

  • brachiophores — n. [L. brachium, arm; Gr. phorein, to bear] (BRACHIOPODA) Blades of the secondary shell projecting from the side of the notothyrium and forming anteromedian boundaries of sockets in some brachial valves …   Dictionary of invertebrate zoology

  • chilidium — n. [Gr. dim. cheilos, lip] (BRACHIOPODA) A plate covering the notothyrium, when present, in the dorsal valve; chilidial plates if more than one; see homeochilidium …   Dictionary of invertebrate zoology

  • delthyrium — n.; pl. ria [Gr. 4th letter, delta; thyrion, door] (BRACHIOPODA) The central triangular notch in the ventral valve, open to the hinge line; facilitating the passage of the pedicle; usually closed off from the hinge plate by the deltidium;… …   Dictionary of invertebrate zoology

  • homeochilidium — n. [Gr. homoios, like; dim. cheilos, lip] (BRACHIOPODA) An external triangular plate that closes most or only the apical part of the notothyrium …   Dictionary of invertebrate zoology


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