Spirifer

Speaking of one of these forms, which he calls Spirifer trigonalis, he says that it is so dissimilar to another extreme of the series,

The Antiquity of Man Charles Lyell 1836

‘Waldheimia’ less embryonic, or more specialized; than the paleozoic ‘Spirifer’; or the existing

Essays 2007

They seem to be a Spirifer with a very square base, quite different from the common species of the Bolan Pass, which is like a large cockle, and of which I have one beautiful specimen.

Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries William Griffith

I should like to present you with a memoir or monograph of mine, just published, on Spirifer and Orthis, but I will take good care to let no one pay postage on a work which, by its nature, can have but a very limited interest ...

Louis Agassiz His Life and Correspondence Agassiz, Louis 1885

-- In what sense is the living _Waldheimia_ less embryonic, or more specialized, than the palæozoic _Spirifer_; or the existing _Rhynchonellæ_, _Craniæ_, _Discinæ_, _Lingulæ_, than the

Lay Sermons, Addresses and Reviews Thomas Henry Huxley 1860

-- In what sense is the living 'Waldheimia' less embryonic, or more specialized; than the paleozoic 'Spirifer'; or the existing 'Rhynchonellae', 'Craniae', 'Discinae', 'Lingulae', than the

Lectures and Essays Thomas Henry Huxley 1860

I should like to present you with a memoir or monograph of mine, just published, on Spirifer and Orthis, but I will take good care to let no one pay postage on a work which, by its nature, can have but a very limited interest ...

Louis Agassiz: His Life and Correspondence Louis Agassiz 1840

Brachiopoda ( 'Spirifer, Orthis'), elegant Sphaeronites, nearly allied to the

COSMOS: A Sketch of the Physical Description of the Universe, Vol. 1 Alexander von Humboldt 1814