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Scottish Carboniferous Brachiopoda. Family Terebratulidæ
Published online by Cambridge University Press: 17 March 2016
Extract
As we have already had occasion to observe, in our monograph published by the Palæontographical Society, the species belonging to this genus were not specifically numerous during the Carboniferous period, and, as far as our observations will conduct us, were characterized by the presence of short simple loops, as may be seen in lignograph fig 1.
The family Terebratulidæ comprises many genera and sub-genera; but these do not all appear to possess an equal value or importance, and time alone will decide how far we are justified in certain of the divisions that have been proposed. Professors M'Coy and King are of opinion that Palæozoic Terebratulæ such as T. hastata, T. sacculus, and T. vesicularis, should be separated from Terebratula proper (such as T. vitrea, T. carnea, and T. biplicata) on account of certain peculiarities, or differences, and have respectively proposed Seminula and Epithyris, Phillips, as generic denominations for their reception.
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References
page 471 note * I must refer the reader to the English, French, and German editions of my “General Introduction” for full particulars relative to the families and genera of Brachiopoda.
page 473 note * In order to avoid unnecessary repetitions, I may here mention that most of the specimens from Lanarkshire were kindly communicated by Mr. Armstrong, Mr. Bennie, Dr. Slimoa, and a friend in Carluke. Those from Stirlingshire by Mr, Young. The Renfrewshire, Dumbartonshire, and Ayrshire specimens were lent by Messrs. J. Thompson and J. Armstrong, while those from the Lothiane and Fifeshirc were communicated to me some years ago by Dr. Fleming, H. Miller, etc.
page 474 note * At page 457 and following of the first volume of “The Giologist” the reader will find copione detalls and illustrations in connection with the genera and sub-genera of which this family is composed.
page 475 note * In Ireland it is most abundant, under the shape of caste in the red sandstone of Kildross which is still lower down in the series than is the great “Productns bed” above referred to.