MORPHOLOGICAL VARIATION IN THE NEOTROPICAL SALAMANDER GENUS BOLITOGLOSSA
MORPHOLOGICAL VARIATION IN THE NEOTROPICAL SALAMANDER GENUS BOLITOGLOSSA
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DOI：
10.1111/j.1558-5646.1983.tb05620.x
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发表时间：
1983-01-01
期刊：
影响因子：
3.3
通讯作者：
ALBERCH, P
中科院分区：
文献类型：
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作者：
ALBERCH, P
对新热带蝾螈属Bolitoglossa的不同种种群的形态变异模式进行了调查[B]。rostrata，B. subpalmata，B. adspersa，B. Plataniumactyla，B. dofleini，B. altamazonica，B. B. peruviana，B. B. octagentalis]。分析了一系列特征，包括头骨前部、跗骨和脚趾中是否存在骨骼。变异是明确有界的，在给定物种的种群中观察到的变异性状在其他物种中被发现是固定的（即，种群多态性平行种间多样性）。观察到的模式可以在很大程度上主要解释为弹性发展计划的异时调节的产品。我们似乎有理由认为，这种变异为形态的进化多样化过程提供了原材料。观察到的变化显然是非随机的，它在很大程度上反映了发展计划的结构，这对它的表达施加了限制。对个体发育的理解可以使我们对胚胎发育做出一些预测。
A survey on the patterns of morphological variation found in populations of various species of the neotropical salamander genus Bolitoglossa was undertaken [B. rostrata, B. subpalmata, B. adspersa, B. platydactyla, B. dofleini, B. altamazonica, B. peruviana, B. occidentalis]. A series of traits involving the presence or absence of bones in the anterior region of the skull, in the tarsus and in the toes was analyzed. Variation is definitively bounded and traits observed as variants in a population of a given species are found fixed in other species (i.e., population polymorphisms parallel interspecific diversity). The patterns observed can largely be explained mainly as the products of heterochronic regulation of resilient developmental programs. It is plausible to view this as the kind of variation that provides the raw material in processes of evolutionary morphological diversification. The variation observed is clearly non-random and it is largely a reflection of the structure of the developmental program which imposes constraints on its expression. An understanding of ontogeny can allow us to make some predictions about phylogeny.