#4944 · 🪼 jellyfish, starfish, worms & co
Donkere landplatworm
Microplana terrestris
📍 Southfield, MI, USA
📍 Alabama, US
📍 Lobau, Wien, Österreich
📍 Connecticut, US
📍 Oak Bay, BC, Canada
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Rand Workman · CC BY-SA 4.0
- 2. © LOPEZ André · CC BY-SA 4.0
- 3. © aegolius99 · CC BY-NC 4.0
- 4. © David Anderson · CC BY 4.0
- 5. © Sara Scharf · CC BY-NC-ND 4.0
- 6. Southfield, MI, USA:© no rights reserved · CC0
- 7. Alabama, US:© avanstaa · CC BY-NC 4.0
- 8. Lobau, Wien, Österreich:© Philip Schaffer · CC BY 4.0
- 9. Connecticut, US:© Ray G. Cama · CC BY-NC 4.0
- 10. Oak Bay, BC, Canada:© Holly Partridge · CC BY-NC 4.0
what is it?
Microplana terrestris is a species of free-living, terrestrial flatworm in the order Tricladida. It was first described in 1773 by the Danish naturalist Otto Friedrich Müller as Fasciola terrestris , but has since been reassigned to the genus Microplana .
base stats
Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).
fun facts
- Spotted 6 times in the Netherlands on iNaturalist.
- 452 observations worldwide on iNaturalist.
- Scientifically named by Otto Friedrich Müller in 1773 (253 years ago).
fact sheet
- Nederlands
- Donkere landplatworm
- scientific name
- Microplana terrestris
- order
- Tricladida
- family
- Geoplanidae
- sightings in NL
- 6
- sightings in Europe
- 51
- sightings worldwide
- 452
- GBIF records in NL
- 192
- weight
- —
- length
- —
- lifespan
- —
- named
- 1773 by Otto Friedrich Müller
relatives· Geoplanidae
#4924 📷 10Snake-headed Flatworm
🇳🇱 Tweelijnige landplatworm
Rhynchodemus sylvaticus
👀 10 in NL
#4934 📷 10Obama Flatworm
🇳🇱 Grote gevlekte landplatworm
Obama nungara
👀 8 in NL
#4943 📷 10two-tone planarian
🇳🇱 Grote Australische geelstreep
Caenoplana variegata
👀 6 in NL
#4949 📷 10Blue Garden Flatworm
🇳🇱 Blauwe tuinplatworm
Caenoplana coerulea
👀 5 in NL
Sources: iNaturalist taxon 484653, Wikidata Q2228765, GBIF 4416151, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.
