Pre-order

110 Million Year Old Oyster Valve

$6.00

Spend $50.00 for Free Shipping in the US
INFORMATION
TIME SCALE
CUSTOMER REVIEWS
PRODUCT INFORMATION

This fossil is an oyster shell, called a valve, from the Albian age which occurred in about the middle of the Cretaceous period. Oysters are a type of bivalve, a form of creatures that have inhabited Earth since the Mid-Cambrian, about 300 million years before dinosaurs came along.

Bivalve shells are made from layers of crystals of the minerals calcite or aragonite, which are the two different mineral forms of calcium carbonate (CaCO3). Different crystal layer arrangements help them adapt to a variety of environments. The most important functions of fossil bivalve shells were to protect against predators and prevent dehydration in intertidal environments.

INTERESTING PROPERTIES

• Some oysters are hermaphroditic, both male and female, and some can switch between sexes depending on the water temperature.
• A single female oyster can produce up to 100 million eggs annually.

USES

• Modern oysters are commonly eaten and are a good source or protein, zinc, iron, and other vitamins and minerals.
• Add this fossil from Madagascar to your fossil collection.

Size Range: 1"-2"

Larger sizes will be prioritized first

TIME SCALE

This table contains the geological time periods of the past 2.5 billion years on Earth to aid in understanding age immense age of these fossils.

(Ma = Mega-annum = 1,000,000 years)
EON ERA PERIOD EXTENT (Ma) DURATION (Ma)
Phanerozoic Cenozoic Quaternary 2.588–Present 2.588+
Neogene 23.03–2.588 20.4
Paleogene 66.0–23.03 42.9
Mesozoic Cretaceous 145.5–66.0 79.5
Jurassic 201.3–145.0 56.3
Triassic 252.17–201.3 50.9
Paleozoic Permian 298.9–252.17 46.7
Carboniferous 358.9–298.9 60
Devonian 419.2–358.9 60.3
Silurian 443.4–419.2 24.2
Ordovician 485.4–443.4 42
Cambrian 541.0–485.4 55.6
Proterozoic Neoproterozoic Ediacaran 635.0–541.0 94
Cryogenian 850–635 215
Tonian 1,000–850 150
Mesoproterozoic Stenian 1,200–1,000 200
Ectasian 1,400–1,200 200
Calymmian 1,600–1,400 200
Paleoproterozoic Statherian 1,800–1,600 200
Orosirian 2,050–1,800 250
Rhyacian 2,300–2,050 250
Siderian 2,500–2,300 200
CUSTOMER REVIEWS

Customer Reviews

Based on 1 review
100%
(1)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
A
A.E.
110 Million Year Old Oyster Valve

110 Million Year Old Oyster Valve

$6.00
Pre-loader