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Echinoidea name detailsTetragramma depressum Vaziri & Arab, 2013 †
 738295 (urn:lsid:marinespecies.org:taxname:738295)
unaccepted > nomen nudum (fails to meet ICZN Article 16.4.1. (fixation of name-bearing types))
Species
marine,
fossil only
Not documented
Note no type designated; one specimen mentioned (KUIC...
From editor or global species database
Type material no type designated; one specimen mentioned (KUIC 1428). [details]
Distribution Basab area, north-west of Kerman City, Iran
Distribution Basab area, north-west of Kerman City, Iran [details] Etymology Refers to its sunken peristome.
Etymology Refers to its sunken peristome. [details]
Kroh, A.; Mooi, R. (2021). World Echinoidea Database. Tetragramma depressum Vaziri & Arab, 2013 †. Accessed at: http://www.marinespecies.org/echinoidea./aphia.php?p=taxdetails&id=738295 on 2024-04-27
Date action by
original description (unavailable nomenclaturally)
Vaziri, M. R. & Arab, A. L. 2013. Echinoids of the Genus Tetragramma Agassiz (Phymosomatoida) from the Aptian Sediments of the Basab Region, Northwest of Kerman, Iran. Journal of Sciences, Islamic Republic of Iran 24, 149-155.
page(s): 151-152; fig. 4A-E, 7d-f [details] Available for editors   Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Distribution Basab area, north-west of Kerman City, Iran [details]Etymology Refers to its sunken peristome. [details] Original description Horizontal outline subcircular, discshaped, 40.2 mm in diameter and 12.9 mm in height. Upper surface low arched, margin rounded, lower surface concave around the peristome. Apical scar large. Primary tubercles perforate and crenulate. Ambulacra narrow, less than half as wide as the interambulacra. Each ambulacrum comprises two vertical rows of tubercles. There are three equal primary tubercles on each interambulacra plate at ambitus. In profile the ambitus lies well below mid-height. Poriferous zones uniserial at ambitus and adorally, whereas biserial adapically. Peristome nearly central, large and sunken. [details] Type material no type designated; one specimen mentioned (KUIC 1428). [details] |
