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Meitanella
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Redlichiida
Superfamily:
Redlichioidea
Family:
Yinitidae
Formal Genus Name and Reference:
Meitanella Lin & Yin in Yin & LI, 1978, p. 417
Type Species:
* M. hastata, OD, holotype (Yin & Li, 1978, pl. 150, fig. 14, W. Zhang, Lu, & OTHERS, 1980, pl. 58, fig. 9), 37909, NIGP, Nanjing
Images
(Click to enlarge in a new window)
Fig. 286,3. *M. hastata, northern Guizhou (Meitan), holotype, cranidium, X2 (W. Zhang, Lu, & others, 1980).
Synonyms
Geographic Distribution
China (northern Guizhou), Drepanuroides Zone.
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Beginning International Stage:
Fraction Up In Beginning Stage:
0
Beginning Date:
517.75
Ending Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Ending International Stage:
Fraction Up In Ending Stage:
0
Ending Date:
515.58
Description
Glabella long (sag.), broad (tr.), and slightly constricted at middle, frontal lobe acutely pointed. All furrows on the cranidium narrow and deep, anterior border long (sag. and exs.) and cranidial border furrow strongly arched forward sagittally, eye ridge short and oblique, eye lobe of medium size, strongly bending outward, and close to the axial furrow, palpebral area of fixigena narrow (tr.), anterior section of facial suture divergent. Librigena, thorax, and pygidium unknown. Lower Cambrian (lower Canglangpuan): China (northern Guizhou), Drepanuroides Zone.
References
Li, Shanji [Lee Shanchi]. 1978. Trilobita. In Palaeontological Atlas of SW China, Sichuan Vol. 1: Sinian to Devonian. Geological Publishing House. Beijing. p. 179-284, 568-583 (explanation of plates), pl. 89-114.
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Redlichiida
Superfamily:
Redlichioidea
Family:
Yinitidae
Formal Genus Name and Reference:
Meitanella Lin & Yin in Yin & LI, 1978, p. 417
Type Species:
* M. hastata, OD, holotype (Yin & Li, 1978, pl. 150, fig. 14, W. Zhang, Lu, & OTHERS, 1980, pl. 58, fig. 9), 37909, NIGP, Nanjing
Images
(Click to enlarge in a new window)
Fig. 286,3. *M. hastata, northern Guizhou (Meitan), holotype, cranidium, X2 (W. Zhang, Lu, & others, 1980).
Synonyms
Geographic Distribution
China (northern Guizhou), Drepanuroides Zone.
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Beginning International Stage:
Fraction Up In Beginning Stage:
0
Beginning Date:
517.75
Ending Stage in Treatise Usage:
Lower Cambrian (“Lower Cambrian” in Trilobite volume of Treatise = current Cambrian Epoch 2 of international scale) (lower Canglangpuan)
Ending International Stage:
Fraction Up In Ending Stage:
0
Ending Date:
515.58
Description
Glabella long (sag.), broad (tr.), and slightly constricted at middle, frontal lobe acutely pointed. All furrows on the cranidium narrow and deep, anterior border long (sag. and exs.) and cranidial border furrow strongly arched forward sagittally, eye ridge short and oblique, eye lobe of medium size, strongly bending outward, and close to the axial furrow, palpebral area of fixigena narrow (tr.), anterior section of facial suture divergent. Librigena, thorax, and pygidium unknown. Lower Cambrian (lower Canglangpuan): China (northern Guizhou), Drepanuroides Zone.
References
Li, Shanji [Lee Shanchi]. 1978. Trilobita. In Palaeontological Atlas of SW China, Sichuan Vol. 1: Sinian to Devonian. Geological Publishing House. Beijing. p. 179-284, 568-583 (explanation of plates), pl. 89-114.