TY - JOUR
T1 - Gondolelloid multielement conodont apparatus (Nicoraella) from the Middle Triassic of Yunnan Province, southwestern China
AU - Huang, Jinyuan
AU - Hu, Shixue
AU - Zhang, Qiyue
AU - Donoghue, Philip
AU - Benton, Michael
AU - Zhou, Changyong
AU - Martinez-Perez, Carlos
AU - Wen, Wen
AU - Xie, Tao
AU - Chen, Zhong-Qiang
AU - Luo, Mao
AU - Yao, Huazhou
AU - Zhang, Kexing
PY - 2018/7/20
Y1 - 2018/7/20
N2 - The morphology and position of elements in the apparatus are keys to resolving the taxonomy, homology, evolutionary relationships, structure, function and feeding patterns among conodont taxa. Fused clusters preserving natural associations between elements provide direct information on element morphology, the positions of elements within the apparatus, and even their original three-dimensional arrangement. Here, we report 41 fused conodont clusters from Member II of the Guanling Formation in Luoping County, Yunnan Province, southwestern China, which provide a basis for inferring the multielement composition of the apparatus of the early Middle Triassic Nicoraella. The apparatus is composed of 15 elements (a single S0 element, two pairs of S1–4, M and P1–2 elements) like other apparatuses in Gondolellidae, i.e. the genera Novispathodus and Neogondolella. These Luoping Biota clusters are significant because (a) they permit a positional homology-based comparison of multielement Novispathodus with form genera such as Cypridodella (S1), Enantiognathus (S2), and Hindeodella (S3 and S4), (b) they facilitate a review of apparatus composition within superfamily Gondolelloidea, (c) they provide direct insight into apparatus architecture currently interpreted largely in light of distantly related Carboniferous polygnathacean ozarkodinins, and (d) these clusters, along with collections of discrete conodont elements, provide a model for inferring the multielement composition of closely related species known only from discrete element collections.
AB - The morphology and position of elements in the apparatus are keys to resolving the taxonomy, homology, evolutionary relationships, structure, function and feeding patterns among conodont taxa. Fused clusters preserving natural associations between elements provide direct information on element morphology, the positions of elements within the apparatus, and even their original three-dimensional arrangement. Here, we report 41 fused conodont clusters from Member II of the Guanling Formation in Luoping County, Yunnan Province, southwestern China, which provide a basis for inferring the multielement composition of the apparatus of the early Middle Triassic Nicoraella. The apparatus is composed of 15 elements (a single S0 element, two pairs of S1–4, M and P1–2 elements) like other apparatuses in Gondolellidae, i.e. the genera Novispathodus and Neogondolella. These Luoping Biota clusters are significant because (a) they permit a positional homology-based comparison of multielement Novispathodus with form genera such as Cypridodella (S1), Enantiognathus (S2), and Hindeodella (S3 and S4), (b) they facilitate a review of apparatus composition within superfamily Gondolelloidea, (c) they provide direct insight into apparatus architecture currently interpreted largely in light of distantly related Carboniferous polygnathacean ozarkodinins, and (d) these clusters, along with collections of discrete conodont elements, provide a model for inferring the multielement composition of closely related species known only from discrete element collections.
KW - 15-element apparatus
KW - Anisian
KW - Fused cluster
KW - Guanling Formation
KW - Luoping Biota
KW - Multielement taxonomy
UR - http://www.scopus.com/inward/record.url?scp=85050375194&partnerID=8YFLogxK
U2 - 10.1016/j.palaeo.2018.07.015
DO - 10.1016/j.palaeo.2018.07.015
M3 - Article (Academic Journal)
AN - SCOPUS:85050375194
SN - 0031-0182
JO - Palaeogeography, Palaeoclimatology, Palaeoecology
JF - Palaeogeography, Palaeoclimatology, Palaeoecology
ER -