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457
1

18.6CTS- FOSSIL LUNGFISH FO- 2122 FOSSIL OPALS

存货单位
FO- 2122
尺寸(毫米)
28.700 x 14.800 x 9.400mm
重量 (cts)
18.600
Shape
Freeform
类型
Rough
颜色

PARENT COMPANIES LIGHTNINGOPALS LLC AND TRUE BLUE OPALS PTY

FOSSIL LUNGFISH

LIGHTNING RIDGE , AUSTRALIA

NICE COLOUR

THESE COLORS ARE NATURAL
NOT TREATED OR ENHANCED IN ANY WAY

Lungfish tooth plates have been known from Cretaceous deposits at Lightning Ridge and nearby opal fields since 1914. These specimens are reasonably complete, and assigned to a common Mesozoic genus, Metaceratodus wollastoni. Later, several small fragments of lungfish tooth plates collected in 1981 were described as indistinguishable from tooth plates of the living Australian lungfish, Neoceratodus forsteri. However, new dental material has since been collected, consisting of tooth plates with attached bone from both jaws, and this has prompted a revision of the original determination. A new species of lungfish, Neoceratodus potkooroki, can be erected, based on characters of both the tooth plates and the jaw bones, and N. forsteri can no longer be considered a Cretaceous taxon. The oldest occurrence of N. forsteri is now considered to be Pliocene, in the Chinchilla Sands from Chinchilla in Queensland. Material of two other species of dipnoan, M. wollastoni and Ceratodus diutinus, have since been collected from the Cretaceous Griman Creek Formation, and both are easily distinguished from the new species of Neoceratodus.

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FedEx 对包含 2 或更多商品的订单折扣为 $39.00
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fossil opals
fossil opals
sally Patel and natassa Patel have been in business for 35 years trueblueopal us family owned company Lightningopals llc is USA based sister branch of trueblueopals, we wholesale top opals from all opal fields , working with mining partner's like David Darby of yowah we specialize in investmentopals , and work with auction houses as well , sally has held several positions in opal association and is current treasurer we are members of ica and Agta and American opal society and Lrma other family members are also selling on opalauctions with over 20 stores catering from rough cut fossil beads specimens carvings and more
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  • insanemonkey42
    insanemonkey42
    积极的

    As beautiful as it looks. A river of opal flowing between fossilized wood! Absolutely wonderful and it arrived quickly!

  • zafopalhunter143
    zafopalhunter143
    积极的

    Paid and shipped - no feedback left after 100 days

30%
优惠券代码 thanksgiving
有效期至
29th Nov 2024

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送货细节

船运:
$25.00 :通过 Standard Shipping - Tracked 计算天数
发货自:
United States of America

付款方式

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概述

列表类型 : Standard
产品编号 : 1520446
开始 : 14th November 2024 04:18 pm PST
* 所有价格均以:货币为单位