Cyrtospiriferidae Termier and Termier, 1949

Ma, Xue-Ping, Sun, Yuan-Lin, Hao, Wei-Cheng & Liao, Wei-Hua, 2002, Rugose corals and brachiopods across the Frasnian- Famennian boundary in central Hunan, South China, Acta Palaeontologica Polonica 47 (2), pp. 373-396 : 391-392

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https://doi.org/ 10.5281/zenodo.13304867

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Cyrtospiriferidae Termier and Termier, 1949
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Family Cyrtospiriferidae Termier and Termier, 1949 View in CoL

Remarks.— Grabau (1931) described over 20 species or varieties of Sinospirifer and seven species of Cyrtiopsis from the Upper Devonian of South China (for recent revision see Ma and Day 1999). Tien (1938) designated S. sinensis as the type species of Sinospirifer and in the meantime renamed two genus group names: Tenticospirifer (type: Spirifer tenticulum ), and Hunanospirifer (type: H. wangi ). Hunanospirifer and Chinese “ Tenticospirifer ” are present in the Yunnanella bed of middle Famennian age. They are beyond the scope of this paper (for discussion on Chinese Famennian “ Tenticospirifer ” see Ma and Day 2000). Gatinaud (1949) proposed a radical subdivision of the Cyrtospirifer group chiefly based on Grabau’s 1931 work. Of the available names Tenticospirifer (Lamarckispirifer) may be valid. Wang et al. (1964), Pitrat (1965) and all subsequent workers consider that Sinospirifer to be a synonym of Cyrtospirifer . However, Carter et al. (1994) listed it as a valid genus.

Before a detailed study of the Chinese early Famennian cyrtospiriferids we would rather use Sinospirifer for the time being. Most of Grabau’s Famennian Sinospirifer species will be addressed in another paper (Ma and Day in preparation). And the late Frasnian small−sized cyrtospiriferids are described in Ma and Sun (2001). Those species will not be described or discussed in this paper except for their illustrations, including Cyrtospirifer cf. whitneyi ( Fig. 13A–E View Fig ), Cyrtospirifer? variabilis that features rare pustules both on plications and in grooves in some specimens ( Fig. 13F–J View Fig ), Mennespirifer yangqiaoensis ( Fig. 13K–O View Fig ), Lamarckispirifer hayasakai ( Figs. 14D–H View Fig and 15P, Q View Fig ), Sinospirifer gortanioides ( Figs. 14A–C View Fig and 15R View Fig ), S. pekinensis ( Fig. View Fig

14N–P), S. subarchiaci ( Fig. 14I–M View Fig ), S. subextensus ( Fig. 15K–O View Fig ), and S. sp.1 ( Fig. 13P View Fig ).

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