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Updated: June 28, 2025
In what sense can Loligo or Spirula be said to be more specialized, or less embryonic, than Belemnites; or the modern species of Lamellibranch and Gasteropod genera, than the Silurian species of the same genera?
Let it be borne in mind that 'Avicula', 'Mytails', 'Chiton', 'Natica', 'Patella', 'Trochus', 'Discina', 'Orbicula', 'Lingula', 'Rhynchonella', and 'Nautilus', all of which are existing 'genera', are given without a doubt as Silurian in the last edition of 'Siluria'; while the highest forms of the highest Cephalopods are represented in the Lias by a genus, 'Belemnoteuthis', which presents the closest relation to the existing 'Loligo'.
The fluent Loligo, the formidable Shark, and a younger member of his remarkable family known as S. Catulus, made a special reputation by their numerous articles, eloquent, lively, or abusive, all on the same theme, under titles ingeniously varied, alliterative, sonorous, or boldly fanciful; such as, "Moments with Mr Merman," "Mr Merman and the Magicodumbras," "Greenland Grampus and Proteus Merman," "Grampian Heights and their Climbers, or the New Excelsior."
These creatures are not fish in the true sense of the word, but "molluscs," of the genus Loligo; and the name given to them by the whalers of the Pacific is that of "Flying Squid."
Let it be borne in mind that 'Avicula', 'Mytalis', 'Chiton', 'Natica', 'Patella', 'Trochus', 'Discina', 'Orbicula', 'Lingula', 'Rhynchonella', and 'Nautilus', all of which are existing 'genera', are given without a doubt as Silurian in the last edition of 'Siluria'; while the highest forms of the highest Cephalopods are represented in the Lias by a genus, 'Belemnoteuthis', which presents the closest relation to the existing 'Loligo'.
Our existing 'Nautilus' has its representative species in every great formation, from the oldest to the newest; and 'Loligo', the squid of modern seas, appears in the lias, or at the bottom of the mesozoic series, in a form, at most, specifically different from its living congeners.
In what sense can 'Loligo' or 'Spirula' be said to be more specialized, or less embryonic, than 'Belemnites'; or the modern species of Lamellibranch and Gasteropod genera, than the Silurian species of the same genera?
Our existing 'Nautilus' has its representative species in every great formation, from the oldest to the newest; and 'Loligo', the squid of modern seas, appears in the lias, or at the bottom of the mesozoic series, in a form, at most, specifically different from its living congeners.
Let it be borne in mind that Avicula, Mytilus, Chiton, Natica, Patella, Trochus, Discina, Orbicula, Lingula, Rhynchonclla, and Nautilus, all of which are existing genera, are given without a doubt as Silurian in the last edition of "Siluria"; while the highest forms of the highest Cephalopods are represented in the Lias by a genus Belemnoteuthis, which presents the closest relation to the existing Loligo.
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