Mollusca — Temporal range: Cambrian–Recent … Wikipedia
Osphradium — Os*phra di*um, n.; pl. {Osphradia}. [NL., fr. Gr. ? strong scent, fr. ? to smell.] (Zo[ o]l.) The olfactory organ of some Mollusca. It is connected with the organ of respiration. [1913 Webster] … The Collaborative International Dictionary of English
Nautilus — For other uses, see Nautilus (disambiguation). Nautilus Temporal range: Triassic–Present[1] … Wikipedia
Chiton — This article is about the mollusc. For the ancient Greek article of dress, see Chiton (costume). Chiton Temporal range: Devonian–Recent[1][2] … Wikipedia
Моллюски — или мягкотелые (Mollusca, Malacozoa) один из типов животных. (К этой статье относятся 3 таблицы; фиг. головоногих см. на таблице при этой статье, по анатомии и истории развития М. в статьях об отдельных классах) … Энциклопедический словарь Ф.А. Брокгауза и И.А. Ефрона
olfactory — adj. [L. olfacere, to smell] Pertaining to the sense of smell; among invertebrates, the organs are variously placed: antennae of insects and other arthropods, tips of the palpi and legs of spiders, pits on the heads of various worms, or osphradia … Dictionary of invertebrate zoology
pallial complex — (MOLLUSCA) All of the organs of the mantle cavity combined (ctenidia, osphradia, anus, renal and genital openings and glands) … Dictionary of invertebrate zoology
nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… … Universalium