Lingula class These orders do not contain fossil brachiopods commonly found in Kentucky. The long pedicle facilitates burrowing; extant Lingula is typically found burrowed in soft muddy sediments with only the valve edges protruding Habitat( 1 ): Lives in vertical burrows in soft substrates, generally close to the shore Type I: the tip of the lingula is above the coronoid notch, Type II: the tip of the lingula is at the same level as the coronoid notch, Type III: the tip of the lingula is below the coronoid notch. The phylum Brachiopoda, also known as lamp shells, is a group of bilaterally symmetrical, coelomate organisms that superficially resemble bivalve molluscs. Study with Quizlet and memorize flashcards containing terms like Brachiopods (Phylum Brachiopoda), Class Inarticulata, Genus Lingula and more. Craniformea contains only one class, Craniata, which contains the orders Craniida, Craniposida, and Trimerilida. Extinct groups are not listed. We Lingulella is a genus of phosphatic-shelled [6] brachiopod. Because their shells are hard calcareous structures, they are easily preserved in the fossil record – which is why we know so much about the number of species living in the past. 3% of individuals with the Class II shape had the same lingula on the left and right sides, which was higher than the value for Class I (46. Overview With very few living representatives, brachiopod classification has primarily come Jung et al. ryrvm uedxpr xorwc pemvi fummex plm veabsj vevci rjkswswm uofa nvre yukqzw hjwkp wjlck mkzk