Chaetonotus

• Beschreibung von Schaezonotu
• Neue zeile

8 Subgeni:

(Captochaetus)

• 210 - 625 µµ
• large and strong hypostomion with transverse furrow
• one-lobed scales with posterior incision
• mostly strongly curved spines, rarely with secondary tip
• mouth with flat, movable lamellae
• ‘Robber’

(Chaetonotus)

• 80 - 370 µm - Scales unilobed with posterior incision
• Scales keeled at least up to half
• spines start at the posterior end
• spine length +/- the same, lengthens slightly to the posterior end
• all scales (except sometimes one dorsal / posterior) spined
• short spined field dorsal / posteriorly

(Hystricochaetonotus)

• Body length 60 - 190 µm
• three-lobed scales with axial keel
• spine with secondary tip (but can sometimes be absent or double)
• all scales spiny, spines elongate from front to back

(Primochaetus)

• 90 - 210 µm
• Scales single lobed without keels and cutouts
• thick, straight spines at the posterior end of the scales (rarely curved)
• all spines +/- same length, length increases slightly towards the back
• sometimes groups with elongated spines

(Schizochaetonotus)

• 125 - 400 µm
• Scales single or trilobed
• spines with two secondary spines at the same place
• only one freshwater species

(Tristratachaetus)

• 221 -240 µm
• zusually outer orange-brown, granulated cuticle covering the scales
• only a freshwater species

(Wolterecka)

• 185 - 340 µm
• Furca and adhesive tubes +/- reduced

(Zonochaeta)

• 65 - 235 µm
• Scales single-lobed, elongated with keel almost over the entire length
• one or more transverse rows with strongly elongated spines
• one pair of elongated terminal spines

18 Species:

Chaetonotus monobarbatus

Chaetonotus montevideensis

Chaetonotus quadratus

Chaetonotus slackiae

Particularities: taxon inquirendum; keine Angaben über Schuppen und Stacheln, daher nicht wieder erkennbar

Chaetonotus striatus

Chaetonotus tachyneusticus

Chaetonotus trianguliformis

Chaetonotus vechovi