Aulacoceras
Definition
An extinct genus of dibranchiate cephalopods from the order Belemnoidea, characteristic of the Triassic period. This ancient marine organism was notable for an elongated, conical, calcareous internal shell marked on its outer surface by prominent longitudinal grooves.
Bilingual Equivalents
- Aulacoceras
- Fossil cephalopod genus
Grammatical & Source Details
| Inflection Type | Neuter proper noun, structurally treated as an uninflected foreign borrowing in morphological profiles. |
| Formation | Scientific compound combining the Greek elements 'aulax' (furrow) and 'keras' (horn), integrated into standard taxonomy. |
| Spelling / Pronunciation | [aʊ.la.ko.ˈt͡ʃe.ras] |
| Source | Lexicon of Invertebrate Paleontology, Fossil Classifications, and Stratigraphic Standards |
Contextual Usage Examples
RO: În straturile de calcar din perioada Triasicului Superior, geologii au descoperit un rostru perfect conservat de aulacoceras.
EN: In the Upper Triassic limestone layers, geologists discovered a perfectly preserved rostrum of aulacoceras.
RO: Muzeul de istorie naturală a achiziționat o colecție rară de fosile marine, printre care se număra și un exemplar de aulacoceras.
EN: The natural history museum acquired a rare collection of marine fossils, among which was a specimen of aulacoceras.
RO: Analiza microscopică a arătat că structura internă a acestui aulacoceras păstrează camerele phragmoconului intacte.
EN: The microscopic analysis showed that the internal structure of this aulacoceras preserves the phragmocone chambers intact.
Idioms & Phrases
Genul Aulacoceras / Genus Aulacoceras
RO: Categorie taxonomică ce grupează specii de moluște dispărute, caracterizate prin cochilii calcaroase cu striații radiale adânci.
EN: A taxonomic category grouping extinct mollusk species characterized by calcareous shells with deep radial striations.
Rostru de aulacoceras / Aulacoceras rostrum
RO: Partea posterioară masivă și dură a cochiliei interne a organismului fosil, cea mai predispusă procesului de pietrificare.
EN: The massive and hard posterior part of the fossil organism's internal shell, most prone to the petrification process.
Fauna cu aulacoceras / Aulacoceras fauna
RO: Asociație de organisme marine fosile utilizată ca indicator stratigrafic excelent pentru determinarea vârstei rocilor sedimentare.
EN: An association of fossil marine organisms used as an excellent stratigraphic indicator for determining the age of sedimentary rocks.
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