Molluscs › Ramshorn snails
Margined Ram's-horn
Planorbis planorbis
1,840 observations in the source records
25 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
What the records say
- 1,840 observations are recorded in the imported source snapshot. Observation source
Easily confused with
Great Ram's-hornPlanorbarius corneus
Keeled Ram's-hornPlanorbis carinatus
Whirlpool Ram's-hornAnisus vortex
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 25,015 |
|---|---|
| Alaska | 25,015 |
| Russia | 181 |
| Ukraine | 135 |
| France | 84 |
| Germany | 65 |
| Grand Est | 60 |
| Poland | 54 |
| Kursk Oblast | 34 |
| Moscow Oblast | 33 |
Counts show where people looked, not only where it lives.
Traits
Physical
- Shell-bearingProtected by a hard shellFrom its classification
Classification
| Kingdom | Animals · Animalia |
|---|---|
| Phylum | Molluscs · Mollusca |
| Class | Gastropods · Gastropoda |
| Family | Ramshorn snails · Planorbidae |
| Genus | Planorbis |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Margined Ram's-horn with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.