CLADOENDESIS OF EPHEMEROPTERA

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Nanomis

(Panephemeroptera Euephemeroptera Euplectoptera Anteritorna pm.Tridentiseta  
Tetramerotarsata Liberevenata Turbanoculata 
Anteropatellata Baetovectata Baetungulata - Nanomis)

Nomen hierarchicum: Nanomis/g [g:1999]  

In circumscription fits:

 gen. Nanomis Lugo-Ortiz & McCaffery 1999:88-104: 100


References. Lugo-Ortiz & McCafferty 1999:88-104:


Autapomorphies of Nanomis.

() In larva tibia of each leg with one stout paddle-shaped seta located on outer side at a distance from tibia apex (Lugo-Ortiz & McCaffery 1999:88-104: Fig. 52, 56) (unlike other taxa whose outer side of tibia either without stout setae, or with many stout setae, or with one stout seta at apex).

Characters of Nanomis of unclear phylogenetic status. 

() Larval antennae bases are not turned together, frons between them does not form a keel (unlike Nigrobaetis/g1, Fallceon et al. see Index of characters [1.1.3]).

() Hind wing [see Turbanoculata (10)] of the "Nigrobaetis-type": not narrowed, with non-curved pointed costal projection, with three longitudinal veins among which the second is bifurcate (i.e. MA arises from RA). The same in Nigrobaetis/fg1 and some others (see Index of characters [2.2.60]).

Plesiomorphies of Nanomis.

In mature larva ready to moult to subimago, buds of subimaginal gonostyli are folded under larval cuticle by the "Nigrobaetis-type": 2nd segment of gonostylus is directed posteriorly and diped into 1st segment [see Baetovectata (3)] (see Index of characters [2.3.9]). 

Larval paracercus is developed.

Size. Fore wing length 69 mm (see Tetramerotarsata).

Distribution. Neotropical Region.


Nominal species in Nanomis/g(1):

galera Lugo-Ortiz & McCafferty 1999 [Nanomis]  typus nominis Nanomis  /

rasmusseni Chacón & Pescador & Segnini 2014 [Nanomis]  


Examined also:

sp.n. --

sp.n. --

sp.n. --


See also:

Baetovectata INCERTAE SEDIS

Turbanoculata INCERTAE SEDIS