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Found 12 results

  1. From the album: Fossil Amber and Copal: Worldwide Localities

    La Toca Mine Cordillera Septentrional Santiago Province, Dominican Republic La Toca Fm. (Mamey Group) 20.43-13.65 Ma Specimen: 7.7g / 51x21x12mm Equipment: Samsung Galaxy S9 Plus BelOMO 10x Triplet Loupe Quantum 140lm LED Penlight 7.5W S11 Incandescent Light There are 9 complete and 2 incomplete Leptomyrmex, averaging 3.5mm in body length. Other prominent inclusions consist of a twig (7mm), spider (2mm), formicine ant (3mm), two muscoid flies (1.5mm), and two nematoceran flies (possible chironomid at 1mm, heavily decomposed mycetophilid at 3mm).

    © Kaegen Lau

  2. Barrelcactusaddict

    Formicine Ant (Dominican Amber)

    From the album: Fossil Amber and Copal: Worldwide Localities

    La Toca Mine Cordillera Septentrional Santiago Province, Dominican Republic La Toca Fm. (Mamey Group) 20.43-13.65 Ma Specimen: 7.7g / 51x21x12mm Equipment: Samsung Galaxy S9 Plus BelOMO 10x Triplet Loupe Quantum 140lm LED Penlight Dorsal view, 3mm body length; same individual as seen in related images. Contained within same amber piece as contains the Leptomyrmex ants, spider, muscoid and nematoceran flies, twig, and enhydros.

    © Kaegen Lau

  3. Barrelcactusaddict

    Formicine Ant (Dominican Amber)

    From the album: Fossil Amber and Copal: Worldwide Localities

    La Toca Mine Cordillera Septentrional Santiago Province, Dominican Republic La Toca Fm. (Mamey Group) 20.43-13.65 Ma Specimen: 7.7g / 51x21x12mm Equipment: Samsung Galaxy S9 Plus BelOMO 10x Triplet Loupe Quantum 140lm LED Penlight Lateral view, 3mm body length; same individual as seen in related images. Contained within same amber piece as contains the Leptomyrmex ants, spider, muscoid and nematoceran flies, twig, and enhydros.

    © Kaegen Lau

  4. Barrelcactusaddict

    Formicine Ant (Dominican Amber)

    From the album: Fossil Amber and Copal: Worldwide Localities

    La Toca Mine Cordillera Septentrional Santiago Province, Dominican Republic La Toca Fm. (Mamey Group) 20.43-13.65 Ma Specimen: 7.7g / 51x21x12mm Equipment: Samsung Galaxy S9 Plus BelOMO 10x Triplet Loupe Quantum 140lm LED Penlight Ventral view of a 3mm long formicine ant; same individual as seen in related images. Unfortunately, the mandibles are partially obscured by a small bubble. Contained within same amber piece as contains the Leptomyrmex ants, spider, muscoid and nematoceran flies, twig, and enhydros.

    © Kaegen Lau

  5. Barrelcactusaddict

    Spider, Enhydros (Dominican Amber)

    From the album: Fossil Amber and Copal: Worldwide Localities

    La Toca Mine Cordillera Septentrional Santiago Province, Dominican Republic La Toca Fm. (Mamey Group) 20.43-13.65 Ma Specimen: 7.7g / 51x21x12mm Equipment: Samsung Galaxy S9 Plus BelOMO 10x Triplet Loupe Quantum 140lm LED Penlight Dorsal view of spider, 2mm body length. Some of the enhydros have movable gas bubbles within their chambers. Contained within same amber piece as contains the Leptomyrmex ants, formicine ant, muscoid and nematoceran flies, twig, and enhydros.

    © Kaegen Lau

  6. Barrelcactusaddict

    Twig (Dominican Amber)

    From the album: Fossil Amber and Copal: Worldwide Localities

    La Toca Mine Cordillera Septentrional Santiago Province, Dominican Republic La Toca Fm. (Mamey Group) 20.43-13.65 Ma Specimen: 7.7g / 51x21x12mm Equipment: Samsung Galaxy S9 Plus BelOMO 10x Triplet Loupe Quantum 140lm LED Penlight About 7mm long, this inclusion has a wood-like appearance, with interesting surface texture. The image does not fully capture the surface detail. A reddish partial abdomen and attached legs of some arthropod are present at the left end of the twig. Contained within same amber piece as contains the Leptomyrmex ants, formicine ant, spider, muscoid and nematoceran flies, and enhydros.

    © Kaegen Lau

  7. Barrelcactusaddict

    Nematoceran Fly (Dominican Amber)

    From the album: Fossil Amber and Copal: Worldwide Localities

    La Toca Mine Cordillera Septentrional Santiago Province, Dominican Republic La Toca Fm. (Mamey Group) 20.43-13.65 Ma Specimen: 7.7g / 51x21x12mm Equipment: Samsung Galaxy S9 Plus BelOMO 10x Triplet Loupe Quantum 140lm LED Penlight Lateral view of nematoceran fly (?Chironomidae), 1mm body length. Contained within same amber piece as contains the Leptomyrmex ants, formicine ant, spider, muscoid flies, twig, and enhydros.

    © Kaegen Lau

  8. Barrelcactusaddict

    Muscoid Fly (Dominican Amber)

    From the album: Fossil Amber and Copal: Worldwide Localities

    La Toca Mine Cordillera Septentrional Santiago Province, Dominican Republic La Toca Fm. (Mamey Group) 20.43-13.65 Ma Specimen: 7.7g / 51x21x12mm Equipment: Samsung Galaxy S9 Plus BelOMO 10x Triplet Loupe Quantum 140lm LED Penlight Ventral view, 1.5mm body length; same individual as seen in related image. Contained within same amber piece as contains the Leptomyrmex ants, formicine ant, spider, nematoceran flies, twig, and enhydros.

    © Kaegen Lau

  9. Barrelcactusaddict

    Muscoid Fly (Dominican Amber)

    From the album: Fossil Amber and Copal: Worldwide Localities

    La Toca Mine Cordillera Septentrional Santiago Province, Dominican Republic La Toca Fm. (Mamey Group) 20.43-13.65 Ma Specimen: 7.7g / 51x21x12mm Equipment: Samsung Galaxy S9 Plus BelOMO 10x Triplet Loupe Quantum 140lm LED Penlight Lateral view, 1.5mm body length; same individual as seen in related image. Contained within same amber piece as contains the Leptomyrmex ants, formicine ant, spider, nematoceran flies, twig, and enhydros.

    © Kaegen Lau

  10. Barrelcactusaddict

    Leptomyrmex neotropicus (Dominican Amber)

    From the album: Fossil Amber and Copal: Worldwide Localities

    La Toca Mine Cordillera Septentrional Santiago Province, Dominican Republic La Toca Fm. (Mamey Group) 20.43-13.65 Ma Specimen: 7.7g / 51x21x12mm Equipment: Samsung Galaxy S9 Plus BelOMO 10x Triplet Loupe Quantum 140lm LED Penlight The piece containing these inclusions is absolutely loaded with different arthropods, but the most spectacular inclusions are those of a swarm of 11 extinct Leptomyrmex ants: there are 9 complete and 2 incomplete individuals, averaging 3.5mm in body length. In a lighthearted interpretation, it appears as though the duo in this image are performing some acrobatic act, while half of another individual gives audience! Other prominent inclusions consist of a twig (7mm), spider (2mm), formicine ant (3mm), two muscoid flies (1.5mm), two nematoceran flies (possible chironomid at 1mm, heavily decomposed mycetophilid at 3mm), and numerous enhydros.

    © Kaegen Lau

  11. From the album: Fossil Amber and Copal: Worldwide Localities

    A sizeable specimen originating from the La Toca Mine, Cordillera Septentrional, Santiago Province, Dominican Republic; specimen weighs 145.0g and measures 120x88x40mm. There are numerous visible flow lines, which are evidence of successive resin flows, each previous layer being slightly oxidized (discoloration): most of the layers in this piece are coated in small particulates. This piece is a transverse section of what was once a massive flow of resin-turned-amber, as evidenced by the raw outer "crust" with slight matrix on its three sides; the flow was likely formed as resin traveled downward along a deep groove in the resin-producing tree's trunk. There are no observable insect inclusions.

    © Kaegen Lau

  12. From the album: Fossil Amber and Copal: Worldwide Localities

    Small specimen of red-skinned blue amber from the La Toca Mine. Piece weighs 2.4g and measures 26x18x16mm. There are a few dendritic inclusions of moss, and as a whole, the piece is free of fractures and quite clean. The blue fluorescence is caused by certain hydrocarbons (i.e., perylene) that formed within the resin over its millions of years of burial; fluorescent hydrocarbons in amber are believed to be formed due to several possible factors: fire, geothermal or volcanic heat, prolonged submergence in a marine or lacustrine (lake) environment, etc. This specimen was partially polished and illuminated with 140 lumen LED light (yellow phosphor).

    © Kaegen Lau

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