The Inoceramidae are an extinct family of bivalves ("clams") in the Class Mollusca. Fossils of inoceramids are found in marine sediments of Permian to latest Cretaceous in age. Inoceramids tended to live in upper bathyal and neritic environments. [1] .

Inoceramus (Greek: translation "strong pot") is an extinct genus of fossil marine pteriomorphian bivalves that superficially resembled the related winged pearly oysters of the extant genus Pteria. They lived from the Early Jurassic to latest Cretaceous. [1][2]

Apr 30, 2021 · Inoceramids are bivalves related to living clams and mussels and are one of the most common marine fossils of the Late Cretaceous. Large, diverse groups of Inoceramids lived in shallow waters and were epifaunal, covering the muddy seafloor like a carpet.

Inoceramids: Some species of clams (bivalves) grew to giant size in the late Cretaceous, attaining diameters of four feet or more. In cross section, these shells are composed of prismatic (calcitic) crystals.

Inoceramids: Some species of clams (bivalves) grew to giant size in the late Cretaceous, attaining diameters of four feet or more. In cross section, these shells are composed of prismatic (calcitic) crystals.

Inoceramus, genus of extinct pelecypods (clams) found as fossils in Jurassic to Cretaceous rocks (laid down between 199.6 million and 65.5 million years ago). Especially important and widespread in Cretaceous rocks, Inoceramus had a distinctive shell; it …

Feb 11, 2014 · Inoceramus is the largest known bivalve clam in the fossil record. It is thought that it grew so large so that it could have a larger gill area to cope with oxygen deficient waters. Like smaller versions, Inoceramus would have opened its …

Feb 24, 2015 · Inoceramus, genus of extinct pelecypods (clams) found as fossils in Jurassic to Cretaceous rocks (laid down between 199.6 million and 65.5 million years ago). Especially important and widespread in Cretaceous rocks, Inoceramus had a distinctive shell; it is large, thick, and wrinkled in a concentric fashion, making identification relatively simple.

This paper documents the taxonomy of the inoceramids in the Kuskokwim Group, develops an inoceramid biostratigraphy based on known ranges in other regions, and analyzes biogeographic patterns, paleoecology, and depositional history of the Kuskokwim Group.

Key morphological features: Shells are elongated and almost all inoceramids are smooth, but with various shapes. Due to their abundance during the Late Cretaceous, they likely were an important food source for many Western Interior Seaway creatures.

Inoceramids became dominant elements of many level-bottom communities, and they achieved global dispersion during the Jurassic and Cretaceous, especially during intervals of restricted benthic oxygen and black-shale deposition.

May 20, 2016 · There have been several documented examples of non-predatory borings in inoceramids likely made post mortem by organisms such as bryozoans (Morris, 1990) and acrothoracian barnacles.

Geniculation, the abrupt change in convexity/inflation of the valve disc, occurs in many inoceramids and has been recognized for decades. But despite extensive inoceramid research, it remains a relatively under-documented phenomenon.

Jan 20, 2019 · Well-developed muscle scars and associated thickened myostracum preserved in the umbones of phosphatized Gnesioceramus anglicus (Woods) provide insights into the palaeobiology of the Inoceramidae. Deeply anchored pedo-byssal (anterior and posterior) and gill retractor muscle scars are identified amongst the umbonal scars.

Sep 15, 2009 · Albian and Upper Cretaceous inoceramids had the poiriform calcite hinge plate with closely spaced resiliifers that is widely associated with this extinct bivalve family. The whole structure was dominated by compressible ligament.

Apr 9, 1994 · The clams, known as inoceramids, thrived for about 200 million years in deep waters. But nearly all existing species became extinct in the late Cretaceous, during the middle of the Maastrichtian...

Aug 8, 2008 · Demerara Rise inoceramids also exhibit well-defined, regularly spaced growth lines that are tracked by δ 13 C and δ 18 O variations in shell carbonate that cannot be simply explained by diagenesis. Instead, productivity variations in surface waters may have paced the growth of the shells during brief oxygenation events suitable for benthic ...

Oct 1, 2024 · Inoceramus (Greek: translation "strong pot") is an extinct genus of fossil marine pteriomorphian bivalves that superficially resembled the related winged pearly oysters of the extant genus Pteria. The taxonomy of the inoceramids is disputed, with genera such as Platyceramus sometimes classified as subgenus within Inoceramus.

Aug 8, 2008 · The inoceramids (thin, white bands in the core sample) represent brief geochemical events (years to decades) in which dysoxic conditions established and permitted benthic fauna habitation (bottom right diagram).

Dec 22, 2018 · The inoceramids present are Tethyoceramus madagascariensis (Heinz, 1933) and Cremnoceramus deformis erectus (Meek, 1877), recorded for the first time from the region.