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Rastellum Oyster Bivalve Fossil Cretaceous Madagascar Marovoay Authentic

Name: Rastellum Oyster Bivalve Fossil Cretaceous Madagascar Marovoay Authentic
Brand: SilverGeo
SKU: FP9552
Price: 6.72 GBP
Availability: InStock

Original price was: £8.40.Current price is: £6.72.

All of our Fossils are 100% Genuine Specimens & come with a Certificate of Authenticity

**Please note: Some Fossils maybe propped up for photo purposes**

Specimen: Rastellum oyster polished bivalve ‘Fossil Alien’

Age: Cretaceous

Location: Marovoay, Mahajanga district, Madagascar

Size (picture scale cube=1cm): 48 x 36 x 71mm (1.89 x 1.42 x 2.8 inches)

More commonly known as ‘Fossil Alien’s these amazing bivalves are actually oyster shells. Bivalves are bilaterally symmetrical molluscs having two calcareous, asymmetrical shells (valves) – they include the clams, oysters, and scallops. In most bivalves, the two shells are mirror images of each other (the major exception is the oysters). They occur in marine, estuarine, and freshwater environments.

ACTUAL AS SEEN: The image shows the EXACT specimen you will receive. The specimen has been carefully hand selected and photographed. Measurements are as accurate as possible, though be aware measuring precise dimensions can be difficult from irregular shaped items. Whilst we portray colours as close to life-like as we can, colours will vary if taken in sunlight, indoors, from monitor to monitor and device to device. Once this specimen is sold, we will update this listing with new similar selected item, with a new photo and dimensions.

(Actual as seen)

Only 1 left in stock

SKU: FP9552 Category: Other Bivalves

Description

Rastellum Oyster Bivalve Fossil

This fossil is identified as a Rastellum oyster bivalve from the Cretaceous, with locality information associated with Marovoay, Mahajanga district, Madagascar. It is a natural-history specimen suited to fossil collectors, geology enthusiasts, educational displays and anyone interested in the ancient marine life of Madagascar.

Fossil Identification

Rastellum is an oyster bivalve identification. Bivalves are molluscs with a shell formed from two valves, and oysters are well known for their robust shell structures and marine habitat. The supplied identification places this specimen within the oyster bivalve group and identifies its geological age as Cretaceous. No species-level identification is stated, so this listing retains the broader Rastellum oyster bivalve identification.

The Cretaceous was a major geological period during which marine environments supported diverse communities of shelled invertebrates. Fossil oysters and other bivalves are valued by collectors because they provide a tangible connection to ancient marine ecosystems and demonstrate the preservation potential of mineralised shells. This specimen can be used as a conversation piece, a teaching aid or an addition to a collection focused on fossils from Madagascar and the Cretaceous.

Locality

The locality information is Marovoay, Mahajanga district, Madagascar. Madagascar is recognised by collectors for its wide variety of fossil material and distinctive geological history. A specimen associated with this region can add geographic interest to a collection, particularly when displayed alongside other fossils from Madagascar or other Cretaceous material.

Collector Display

This Rastellum oyster bivalve fossil is appropriate for a fossil cabinet, geology shelf, classroom display or natural-history collection. Its appeal comes from the combination of a named fossil identification, Cretaceous age and Madagascar locality information. It may also be suitable as a gift for collectors of bivalves, oysters, Cretaceous fossils or Malagasy geological specimens.

The photograph shows the actual specimen you will receive.

Sizing Information

Full sizing is shown in the photographs.

Authenticity

This Fossil is a genuine specimen and Includes a Certificate of Authenticity lifetime guarantee generic card.

Additional information

Weight	10 g

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