Nautilida - Wikipedia
The Nautilida constitute a large and diverse order of generally coiled nautiloid cephalopods that began in the mid Paleozoic and continues to the present with a single family, the Nautilidae which includes two genera, Nautilus and Allonautilus, with six species.
Nautiloid - Wikipedia
Nautiloids began to decline in the Devonian, perhaps due to competition with their descendants and relatives the Ammonoids and Coleoids, with only the Nautilida holding their own (and indeed increasing in diversity).
Nautilus - Wikipedia
Nautilida: Superfamily: Nautilaceae: Family: Nautilidae Blainville, 1825: Genera †Carinonautilus †Cenoceras †Eutrephoceras †Pseudocenoceras †Strionautilus Allonautilus Nautilus † = Extinct Synonyms [2] Eutrephoceratidae Miller, 1951
Order Nautilida: The Ancient and Enigmatic Nautilus
2021年6月22日 · Antique Chinese nautilus drinking cup. Nautiluses do not occur in Europe, so none of the ancient European cultures ever knew of their beauty. The argonaut (genus Argonauta), a type of octopus often called the ‘paper nautilus’ because the female secretes a spiral shell for itself and its eggs was well known to seafaring Mediterranean cultures.
2.2 “Nautiloidea” - Digital Atlas of Ancient Life
The modern chambered nautilus belongs to the Nautilida group, which characteristically have "closely coiled, widely umbilicate to convolute and involute" (Teichert and Moore, 1964a, p. K98) shells. They originated in the Devonian and persist to the present day.
Nautilus - New World Encyclopedia
Order Nautilida: nautilus and its fossil relatives Suborder Nautilina. Family Nautilidae; Subclass Ammonoidea): extinct ammonites and kin; Subclass Coleoidea (octopus, squid, cuttlefish, extinct belemites) Genus Nautilus and Allonautilus
Nautilida - mindat.org
The Nautilida constitute a large and diverse order of generally coiled nautiloid cephalopods that began in the mid Paleozoic and continues to the present with a single family, the Nautilidae which includes two genera, Nautilus and Allonautilus, with six species. All told, between 22 and 34 families and 165 to 184 genera have been recognised ...