Ad
related to: blue crab fossils pictures- Amazon Home
Shop New Trends & Arrivals.
Discover Your Style with Amazon!
- Meet Rivet
Shop Modern Furniture & Home Décor.
Find Best Sellers only on Amazon.
- Explore Amazon Smart Home
Shop for smart home devices that
work with Alexa. See our guide too.
- Meet Stone & Beam
Shop Furniture in Various Styles.
Make Yourself at Home with Amazon.
- Meet the Fire TV Family
See our devices for streaming your
favorite content and live TV.
- Discover Your Style
Like or Dislike for Recommendations
Shop Products or Room Styles.
- Amazon Home
Search results
Results From The WOW.Com Content Network
Blue crab escaping from the net along the Core Banks of North Carolina.. Callinectes sapidus (from the Ancient Greek κάλλος,"beautiful" + nectes, "swimmer", and Latin sapidus, "savory"), the blue crab, Atlantic blue crab, or, regionally, the Maryland blue crab, is a species of crab native to the waters of the western Atlantic Ocean and the Gulf of Mexico, and introduced internationally.
The oldest fossil crustaceans are in the Cambrian. The group experienced a significant radiation in the oceans during the Mesozoic Marine Revolution. The above photo depicts a ~freshly dead female blue crab, Callinectes sapidus. Info. from Witherington & Witherington (2007): "Blue crabs are swimming crabs in the Family Portunidae.
The earliest unambiguous crab fossils date from the Early Jurassic, with the oldest being Eocarcinus from the early Pliensbachian of Britain, which likely represents a stem-group lineage, as it lacks several key morphological features that define modern crabs.
Portunus pelagicus, also known as the blue crab, blue swimmer crab, blue manna crab and flower crab is a species of large crab found in the Indo-Pacific, including off the coasts Indonesia, [1] Malaysia, [2] Cambodia, [3] Thailand, [4] the Philippines, [5] and Vietnam; [6] and in the intertidal estuaries around most of Australia and east to New Caledonia.
The order is estimated to contain nearly 15,000 extant species in around 2,700 genera, with around 3,300 fossil species. [1] Nearly half of these species are crabs, with the shrimp (about 3,000 species) and Anomura including hermit crabs, king crabs, porcelain crabs, squat lobsters (about 2500 species) making up the bulk of the remainder. [1]
Notable fossils from this formation is the gastropod Turritella, the bivalve Pterotrigonia thoracica (the state fossil of Tennessee), as well as other fossils such as crabs. It is alternately considered its own geologic formation (as the Coon Creek Formation) or a distinct member of the wider Ripley Formation (as the Coon Creek Member or the ...
Cancridae is a family of crabs. It comprises six extant genera, [1] and ten exclusively fossil genera, [2] in two subfamilies: Extant Genera.
The oldest known true crabs are Eoprosopon klugi and Eocarcinus praecursor from the Early to Middle Jurassic. [5] [6] While that fossil crab, and a few other Jurassic species, establish that crabs existed in older time periods, crabs did not truly diversify into numerous species until the beginning of the Cretaceous. [3]