Eogonatus tinro was first described but not named by Fields and Gauley (1971) then described and named by Nesis (1972). The paralarval, early juvenile and mature adult stages are not known. E. tinro is uncommon and although generally thought to be a small species, may reach a rather large size (Katugin, personal communication).
A gonatid ...
- without hooks on tentacular club.
- with 2-3 small ridges and grooves, and associated suckers and knobs, in proximal (carpal) locking-apparatus of tentacular club.
- Hooks in medial two armature series on arms I-III.
- Tentacles present in subadults.
- Tentacular club without hooks.
- Suckers of tentacular club in numerous irregular series; suckers about equal in size.
- Proximal locking-apparatus of club with suckers and knobs medial to 2-3 small ridges and grooves.
- Beaks. Descriptions can be found here: Lower beak; upper beak. See also this site.
- Radula with teeth in 5 series.
- Mantle tissue flabby.
- Fins sagittate, drawn out posteriorly into a short tail.
- Photophores absent.
Molecular Biology and Genetics
Barcode data: Gonatus tinro
There are 3 barcode sequences available from BOLD and GenBank. Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species. See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
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Download FASTA File
Statistics of barcoding coverage: Gonatus tinro
Public Records: 3
Specimens with Barcodes: 3
Species With Barcodes: 1
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