Protoconch meaning
WebbThe definition of protoconch in Dictionary is as: The embryonic shell, or first chamber, of ammonites and other cephalopods. Meaning of protoconch for the defined word. … WebbWords can also define as the smallest unit in a language that can be uttered in literal or practical meaning. In theory, a morpheme is the smallest element in the English language but morphemes may or may not stand on its own whereas words are always freestanding. Words make sentences with the help of other words or sometimes even alone.
Protoconch meaning
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WebbNoun teleoconch ( pl. teleoconchs or +) ( zoology) The portion of a shell of a conchiferan mollusc formed immediately after the larval stage of the life cycle of the organism. 1995, Haszprunar, G., Salvini-Plawen, L. von, & Rieger, R. M. (1995). Larval planktotrophy—a primative trait in the Bilateria? Acta Zoologica, 76 (2), 141–154., page 143: Webb1 apr. 2007 · The complete ontogenetic development (protoconch to adult) of the ammonite Salinites grossicostatum is outlined by a detailed morphometrical shell analysis, ... Uppermost Devonian ammonoids from Oklahoma and their palaeobiogeographic significance. R. T. Becker, R. Mapes; Environmental Science, Geography.
WebbA protoconch (meaning first or earliest or original shell) is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod.In older text it is also called "nucleus". The protoconch may sometimes consist of several whorls, but when this is the case, the whorls show no … WebbMeanings for protoconch. Add a meaning. Synonyms for protoconch. Add synonyms. Antonyms for protoconch. Add antonyms. Examples of protoconch in a sentence. Add a …
Webbprotoconch (= initial chamber) of Nautilus, goniatites, and ammonites the ‘‘siphonal coecum’’, which is today com-monly known as the ‘‘caecum’’. Only 2 years later, Munier-Chalmas (1874) confirmed a caecum in the proto-conch of living Spirula. Present experts widely agree that the usually non-mineralized caecum belongs to the Webbprotoconch meaning. Meaning and Definition of protoconch. Synonyms, Antonyms, Derived Terms, Anagrams and senses of protoconch. What is protoconch?
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WebbNoun. teleoconch ( pl. teleoconchs or +) ( zoology) The portion of a shell of a conchiferan mollusc formed immediately after the larval stage of the life cycle of the organism. 1995, … road worn and wearyWebbNew Gastropods from the São Pedro e São Paulo Archipelago, Brazil (Vetigastropoda and Caenogastropoda) snickers expressionWebbA protoconch (meaning first or earliest or original shell) is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod. In older texts it is also called 'nucleus'. The protoconch may sometimes consist of several whorls, but when this is the case, the whorls show no … road worn and weary chordsWebbA protoconch (meaning first or earliest or original shell) is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod.In older texts it is also called "nucleus". The protoconch may sometimes consist of several whorls, but when this is the case, the whorls show no … snickers evolutionWebbprodissoconch - syllables.en-academic.com ... pro·dissoconch snickers eveleth mn menuWebb6 nov. 2024 · The embryonic shell, or protoconch, bears a distinct sculptural design from the rest of the shell. This is the section of the snail’s shell that it possesses when it is born. ... Snails are hermaphroditic, which means they use sexual reproduction to help maintain genetic variation. snickers factsWebbprotocol. ( ˈprəʊtəˌkɒl) n. 1. (Government, Politics & Diplomacy) the formal etiquette and code of behaviour, precedence, and procedure for state and diplomatic ceremonies. 2. (Government, Politics & Diplomacy) a memorandum or record of an agreement, esp one reached in international negotiations, a meeting, etc. 3. road world safety series