What does atrypa mean?
Definitions for atrypa
at·ry·pa
This dictionary definitions page includes all the possible meanings, example usage and translations of the word atrypa.
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Wikipedia
Atrypa
Atrypa is a genus of brachiopod with shells round to short egg-shaped, covered with many fine radial ridges (or costae), that split further out and growth lines perpendicular to the costae and 2-3 times wider spaced. The pedunculate valve is a little convex, but tends to level out or even become slightly concave toward the anterior margin (that is: opposite hinge and pedicle). The brachial valve is highly convex. There is no interarea (that is a flat area bordering the hinge line approximately perpendicular with the rest of the valve) in either valve. Atrypa was a cosmopolitan and occurred from the late Lower Silurian (Telychian) to the early Upper Devonian (Frasnian). Other sources expand the range from the Late Ordovician to Carboniferous, approximately from 449 to 336 Ma. A proposed new species, A. harrisi, was found in the trilobite-rich Floresta Formation in Boyacá, Colombia.
Webster Dictionary
Atrypanoun
a extinct genus of Branchiopoda, very common in Silurian limestones
Etymology: [NL., fr. Gr. 'a priv. + a hole.]
Wikidata
Atrypa
Atrypa also known as lamp shell is an extinct genus of brachiopod that lived from the Late Ordovician to the Carboniferous and occurs abundantly as fossils in marine rocks. It has a wide distribution on all the continents except Antarctica. The genus has distinctive concentric growth lines and is unusual in that in some Devonian beds there are numerous remains of the pedicle valve, but extremely few of the brachial valve.
Numerology
Chaldean Numerology
The numerical value of atrypa in Chaldean Numerology is: 8
Pythagorean Numerology
The numerical value of atrypa in Pythagorean Numerology is: 9
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"atrypa." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/atrypa>.
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