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Sinolingularia

Sous-embranchement (subphylum) des Linguliformea
Classe des Lingulata
Ordre des Lingulida
Super-famille des Linguloidea
Famille des Lingulidae
 
 
 
 
 


Genus Sinolingularia Peng & Shi, 2008
 
[Type-species = L. huananensis]   -   see figure below that belongs to the diagnoses of the species.

Etymology. The new generic name refers tothe south Chinese (sino) fossils' linguliformshape and their close relationship to Lingularia Biernat & Emig, 1993.

Shell elongate-oval, withrounded umbo, subparallel lateral margins,and weakly biconvex.
Ventral valve with rudimentary pseudo-interarea; pair of narrow subparallel to parallel V-shaped pedicle nerve grooves extending from anterior adductor scars to posterior adductor scar without merging; posterior adductor scar broadly cordate.
Dorsal valve with rudimentary pseudo-interarea; posterior adductor scar broadly cordate; antero-lateral muscle scars lacrymiform and clearly separated, closely located near central muscle scars.

Both ventral and dorsal mantle canals (vascula lateralia) subparallel and convergent anteriorly.

Diagnosis from Peng & Shi (2008).
Lower Triassic-Carboniferous.

Occurrences: Lower Triassic: South China; Siberia, Russia. Carboniferous: Carluke, Lanarkshire, Scotland.
Species of Sinolingularia

  • S. huananensis  Peng & Shi, 2008.

  • S. yini  Peng & Shi, 2008.

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    The references of this page are:

    • Peng Y. & Shi G.R., 2008. New Early Triassic Lingulidae (Brachiopoda) genera and species from South China. Alcheringa, 32 (2), 149-170.

    Sinolingularia huananensis Peng & Shi, 2008

    Holotype: NMV P309762. Type locality: Xishan section, Suzhou, Jiangsu Province, southeastern China. Occurrence: Lower Triassic: South China; Siberia. Carboniferous: Carluke, Lanarkshire, Scotland.
    Etymology: ‘Huanan’ (meaning South China) refers to the occurrence of the new species in Chinese phonetic writing.

    Diagnosis -   including the figure below

    Antero-lateral muscle scars in dorsal valve lacrymiform, separated anteriorly and connected posteriorly, closely located near central muscle scars.

    Sinolingularia yini Peng & Shi, 2008

    Holotype: NMV P309765. Type locality: Xishan section, Suzhou,Jiangsu Province, southeastern China.. Occurrence: Lower Triassic: South China..
    Etymology: Named in honour of Pr. Hongfu Yin.

    Diagnosis -   including the figure below

    Antero-lateral muscle scars in dorsal valve teardrop-shaped, subparallel and completely separated but closely positioned to each other and to central muscle scars.

     

     

    Sinolingularia huananensis

    L. similis

    S. yini

     

    Lingulide muscle arrangement