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JDirectItems Auction Antique Collections Science & Nature Fossils
※希少 Naraoia longicaudata 化石|ナラオイア|澄江動物群 カンブリア紀 三葉虫近縁 軟体節足動物 教材 研究標本 雲南省産 H09
        

  • Quantity
    : 1
  • Starting Bid
    :12,000円
  • Highest Bidder
    : / Rating:
  • Start Time
    :Jul 12, 2026 21:56
  • End Time
    :Jul 13, 2026 21:56
  • Auction ID
    :c1229226733
  • Item Condition
    :State it in the description
  • Auto Extension
    :Yes
  • Authentication
    :No
  • Early Close
    :Yes
  • Return Accepted
    :no
  • Description
  • Q&A ()
  • Estimated Cost
  • Report an Issue
Notes
  1. Please confirm whether there are items that violate the Washington Treaty (import cannot be assisted). Products that cannot be imported will be forwarded to your designated Japanese address after arriving at the Japanese receiving office. You can place a bid after pressing Confirm.


ご覧いただきありがとうございます。
Naraoia longicaudata(ナラオイア・ロンギカウダータの化石でございます。

【寸法】
不整形のため、正確なサイズは画像でのご確認をお願いいたします。

【状態】
● 母岩上に明瞭な楕円形の外殻構造が保存されています。
● 細かな体節構造や尾部の延長も視認可能で、保存状態は良好な部類です。
● 本物保証付き。万一偽物と判明した場合は返金対応いたします。
● 中国・雲南省 澄江(チェンジャン)層より出土。

本標本は、**カンブリア紀前期(約5億2000万年前)**
に生息していた軟体節足動物の一種、
Naraoia longicaudata 化石です。

ナラオイアは一見すると三葉虫に似ていますが、
体の中央に明確な縦の分割がなく、滑らかな背板を持つ点が特徴です。

その構造から、三葉虫と近縁なArtiopoda類に属するとされており、
進化系統を考える上で重要なグループとされています。

また「longicaudata」の名の通り、
**後方にやや長く伸びた尾部(tailspine)**が特徴的であり、
本標本でもその形状が確認できます。

澄江動物群はバージェス動物群と並び称される重要な化石産地であり、
本種のような保存状態の良い標本は学術的にも高い価値があります。

現地でも出土量は年々減少しており、国内での入手機会は非常に限られたものです。
教材・観察・研究用、あるいはコレクションとしてもおすすめできる標本となっております。


安心してお迎えいただけるよう、
現地・雲南省の信頼できる
古物商より直接譲り受けた正真正銘の一品です。
この機会にぜひご検討ください。

【返品対応について】
初期不良については返品対応いたします。
破損、不備などがございましたら、
『商品受け取り前』までにご連絡ください。

ご返送いただき、確認が取れましたら、
落札代金+送料を全額ご返金させていただきます。
返送時の送料も出品者が負担いたします。

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International Shipping Methods
Proxy bidding and purchasing services are becoming increasingly convenient. However, overseas shopping carries certain risks and issues. To reduce these risks and enhance shopping safety, please be sure to read the following information:

1. International Shipping

   Air Freight: If the item status is not confirmed within two days after the arrival notice, any customer complaints cannot be addressed with the seller.

2. After Receiving the Product

Please confirm and inspect the product as soon as possible to ensure that the product specifications, quantity, accessories, and description are correct

If, unfortunately, there are any issues, you can refer to the following examples on how to report related product problems:
1. Example of missing product information
2. Example of product not matching provided information
3. Example of damaged product information

Important Notes: 1. If the seller is unwilling to ship overseas or is unaware that the product will be shipped overseas, the international shipping cost for returns or exchanges will need to be borne by the member. You may refer to the EMS e-Express fee inquiry from the post office. If it involves alcoholic beverages or items that affect flight safety, the post office cannot be used for shipment, and only DHL can be used to ship back to Japan.
2. During the product complaint handling period, please retain the complete outer packaging of the product (including the shipping label information), and refrain from attempting any repairs or altering the original condition. Any modifications may result in the inability to process the case.

3. After Inspecting the Product

After receiving and inspecting the item, if you have any questions, it is recommended to contact Letao within 2 hours. Here are some reminders:

1. Please do not unpack, use or repair the received item yourself, and be sure to keep the original packaging to facilitate subsequent handling of related matters, so as to avoid changes to the item that may cause the seller to be unwilling to process.

2. You can call customer service, and the customer service will leave a message for you as below. Please provide the following information:
"Hello, we will first help you establish a complaint case for Product ID: _______ .But we need you to 2-3 clear photos of the product issue, including photos of the product problem, product packaging, shipping details slip, and outer box. Send them to service@letao.my and inform us of your desired resolution (failing to provide this may result in an inability to process subsequent matters). After sending the email, notify us in the customer service message. We will confirm with the seller as soon as possible. and if there are any related questions, we will contact you through the customer service message. Thank you for your cooperation."

Please provide:
1. "Product ID"
2. Photo of the "Delivery Note" (if any)
3. Photos of the outer box (including inner and outer packaging)
4. Photos of the product (Please include relevant descriptions to help us confirm with the seller)

Important Notes:
1. Do not include foreign text or other products in the background of the image.
2. Please keep the complete product packaging (including the shipping label information), and refrain from repairing or altering the original condition on your own, as any changes may result in the case being unable to be processed.
3. Please provide the relevant information within 48 hours to avoid missing the golden hour for reflection and causing situations that cannot be handled.
4. Due to 99% of Japanese sellers being unwilling or unaware of shipping goods overseas, if a seller is willing to handle the issue, the goods must be sent back to Japan, and the international shipping costs incurred must be borne by the member. Letao will use postal EMS international express to send the goods back to Japan.
5. As the goods are purchased from overseas, it may take approximately one to two weeks to complete the relevant processing procedures when issues arise with the goods. Please be reminded that you can inquire about the approximate cost through the EMS service at the post office.

4. FAQ

1. Issue of Authenticity: If antique or branded goods are found to be counterfeit upon receipt, clear photos showing the differences between the genuine product and the imitation must be provided as evidence. If unable to provide relevant proof, assistance can be sought to find a third-party reputable organization for a premium authentication service .
2. Leaking Iron Teapot: If an antique iron teapot is leaking, please take clear photos of the leaking area and provide them.
3. Transport Damage: If the goods are damaged during international shipping (to the pickup point), you need to provide photos of the outer packaging of the parcel and clear photos of the damaged goods' outer packaging.

※ Note: Photos provided to sellers should not contain any foreign-related information.
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    Product name: ※希少 Naraoia longicaudata 化石|ナラオイア|澄江動物群 カンブリア紀 三葉虫近縁 軟体節足動物 教材 研究標本 雲南省産 H09
    Notes:
    Customer service hours:
    • Monday to Friday 10:00-18:00
    Customer service hotline:
    Customer Service Email: service@letao.my