A CATALOGUE OF MOA EGGS (AVES: DINORNITHIFORMES)

A CATALOGUE OF MOA EGGS (AVES: DINORNITHIFORMES)
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恐鸟蛋目录(鸟纲:恐鸟目)

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发表时间:
2006
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通讯作者:
B. Gill
B. Gill
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作者:
B. Gill

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有36个完整的恐鸟卵,或足够重建,以允许准确测量大小(长度或宽度)。它们在新西兰的八个博物馆举行,两个在英国,一个在美国。12枚蛋来自北岛,24枚来自南岛。在16个主要地点发现了蛋,7个在北岛,9个在南岛,后者几乎都在主要分水岭以东。大多数蛋(36个中的23个)来自自然地点,所有已知或假设的年龄都是晚全新世,即不超过10,000年。有13个蛋来自考古遗址,都在南岛,所有已知或假设是早期人类定居点,c。550-750岁。在形状上,鸡蛋是大约相等的分裂之间的长椭圆形和椭圆形。只有八个鸡蛋是“完整的”(至少90%的外壳存在)。其中13个蛋有大面积完整的壳,其余23个蛋被完全破碎成碎片,要么通过沉积物自然地结合在一起(两个蛋),要么重建(21个蛋)。恐鸟卵长120-240毫米,宽91-178毫米。只有两个蛋有可靠的身份,从明确的联系与一个已确定的艾德骨架。对于其他鸡蛋,鉴定物种大多是推测性的,并在这里进行审查。最大的蛋(240 x 178毫米)被分配给强壮恐龙,最高的恐鸟,三个最小的蛋(120-125毫米长)被分配给最小的恐鸟,Euryapteryx curtus。剩余的鸡蛋主要归因于欧盟。gravis,与一个较小的组可能属于Anomalopteryx didiformis,和一些其他物种,包括绿色蛋Megalapteryx didinus。
There are 36 moa eggs whole enough, or suffi ciently reconstructed, to permit accurate measurement of size (length or width). They are held at eight museums in New Zealand, two in the United Kingdom and one in the United States. Twelve eggs are from the North Island and 24 from the South Island. Eggs have been found at 16 main sites, seven in the North Island and nine in the South Island, the latter nearly all east of the main divide. Most eggs (23 of 36) are from natural sites, all known or assumed to be Late Holocene in age, i.e. not more than about 10,000 years old. There are 13 eggs from archaeological sites, all in the South Island, and all known or assumed to be sites of early human settlement, c. 550-750 years old. In shape, the eggs are about equally split between long oval and elliptical. Only eight eggs are "whole" (at least 90% of the shell present). Thirteen eggs have large areas of intact shell, the remaining 23 being entirely broken into fragments, and either held together naturally by sediment (two eggs) or reconstructed (21 eggs). Moa eggs are 120-240 mm long, by 91-178 mm wide. Only two eggs have reliable identities from unambiguous association with an identifi ed skeleton. For the other eggs, identifi cation to species is mostly speculative and is reviewed here. The largest egg (240 x 178 mm) has been assigned to Dinornis robustus, the tallest moa, and the three smallest eggs (120-125 mm long) to the smallest moa, Euryapteryx curtus. Remaining eggs are mostly attributed to Eu. gravis, with a smaller group belonging probably to Anomalopteryx didiformis, and a few to other species, including green eggs laid by Megalapteryx didinus.