CLADOENDESIS OF EPHEMEROPTERA

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[1] Larva

[2] Subimago & imago

[3] Egg

[1.1] Head [1.2] Thorax [1.3] Abdomen [2.1] Head [2.2] Thorax [2.3] Abdomen

INDEX OF CHARACTERS

1. LARVA
Head and its appendages [1.1], thorax and its appendages [1.2], abdomen and its appendages [1.3].

[1] Larva

[1a] General specialization

siphlonuroid: Euephemeroptera (not all) (5) {Siphlonurus/fg1 (P), Dipteromimus (P), Ameletus/fg1 (P), Metretopus/fg1 (P), Acanthametropus/fg1 (P), Ametropus (P), Siphlaenigma (P), Turbanoculata (not all) (VAR), Nesameletus/f1=Metamonius/g1 (P), Vetulata (P), Rallidens (P)}

siphlonuroid-like: Terpides/g1 (1)

flattened dorsoventrally: Acanthametropus/fg1 (6), Ametropus (1), Chiloporter (2), Heptagennota (1)

Acentrella-like: Micksiops, Afroptiloides (), Baetiella (2), Acentrella/fg1 (not all) (2), Baetodes/g2 ()

sand-dweller: Ametropus (1)

burrowing: Exeuthyplocia/fg1 (3), Fossoriae (not all) (1)

adapted to pushing itself in sand: Behningia/fg2 (1)

associated with Lamellibranchia: Symbiocloeon (), Mutelocloeon ()

[1b] Manner of swimming

dorsoventral movements by abdomen: Euephemeroptera (not all) (5) 

lateral movements by abdomen: Thaulodes (), Kimminsula ()

only leg movements: Ecdyonurus/fg? (?), Epeorus/fg? (?), Dicercomyzon (6)

[1c] Adhesive apparate

sucking disk on sterna: Dicercomyzon (3)

sucking disk formed by tergalii - see [1.3.31]

[1d] Gills

on maxilla [1.1.29]: Nesameletus/f1=Metamonius/g1 (7), Rallidens (4), Eusetisura (3)

on maxillary palp [1.1.43]: Afrobaetodes (2)

on labium [1.1.47]: Siphluriscus (1), , Asiobaetodes (2), part of Eusetisura (3) 

on thoracic sterna: part of Eusetisura (3)

on articulation of coxa with body [1.2.12], [1.2.26]: part of Turbanoculata (VAR) {Dicentroptilum () , , Asiobaetodes (1), part of Baetiella (VAR), Heterocloeon/g1 (), Camelobaetidius/g1 (not all) (), Moribaetis ()} Siphluriscus (1), part of Eusetisura (3) {Isonychia/fg1 (12)}

on articulation of coxa and trochanter: part of Baetodes/g2 (VAR)

formed by abdominal tergalii - see [1.3.19-59]