Heterotis

George Albert Boulenger · Public Domain · via Wikidata/Commons. May be a photograph of a specimen, or an artist’s reconstruction — an interpretation of a skeleton, since colour and soft tissue are almost never preserved.
On record
Recorded, not inferred- Also called
- African arowanaPBDB
- Sits inside
- OsteoglossidaePBDB
- Diet
- carnivorePBDB, for Osteoglossiformes
- Life habit
- nektonicPBDB, for Osteoglossiformes
- Motility
- actively mobilePBDB, for Osteoglossiformes
- Environment
- freshwaterPBDB, for Osteoglossiformes
Time the record covers
At least 23 million years on record.
The record covers at least 23.04 Mya to 11.7 ka. No occurrence read is dated outside 27.3 Mya to 0 Mya.
8 occurrences of Heterotis on record, most of them in the Miocene. The Paleobiology Database records this as a living group. Bar height is expected occurrences, not a count: each fossil is spread across the span it is dated to, so a tall narrow bar means tight dating and a low wide one means loose.
When
8 occurrencesThese are dates about fossils, not the animal: the record can only begin after it arose and end before it died out, so either end may reach further. Shares are expected occurrences: a fossil dated to a span is counted partly in each period it straddles. More on what this infers.
Found in
5 formations
- Nachukui Formation2
- Nawata Formation1
- Nawata or Nachukui Formation1
- Lokone Sandstone Formation1
- Maradah Formation1
Loading coastlines…
The named rock units Heterotis has been recovered from, largest first. Drawn where the rock is now, not where it formed. 2 occurrences have no formation on record, which is common for older literature.
Heterotis and its relatives
MioceneWhere Heterotis and its relatives were recorded in the Miocene.
Found in the same rock
191 taxa- Polypterus8 sites
- Gymnarchus7 sites
- Hydrocynus6 sites
- Cyprinidae5 sites
- Lates niloticus5 sites
- Perciformes5 sites
- Semlikiichthys5 sites
- Synodontis5 sites
- Bagridae4 sites
- Bagrus4 sites
- Distichodus4 sites
- Gazella4 sites
- Percoidei4 sites
- Siluriformes4 sites
- Sindacharax sp.4 sites
- Trionychidae4 sites
- Aepyceros premelampus3 sites
- Alcelaphini3 sites
- Anancus kenyensis3 sites
- Archaeopotamus harvardi3 sites
- Aves3 sites
- Bovini3 sites
- Brachypotherium3 sites
- Ceratotherium3 sites
The Paleobiology Database records 8 sites for Heterotis, and this reads all of them. The number is how many of those sites it was catalogued from too. The 24 sharing the most are listed.
This is not a list of everything alive at the time. It is only what has come out of the same ground as this animal and been written down.
Entered from
4 references- Lothagam: the dawn of humanity in eastern Africa4
- Lakeside cemeteries in the Sahara: 5000 years of Holocene population and environmental change2
- A glimpse at the ectotherms of the earliest fauna from the East African Rift (Lokone, late Oligocene of Kenya)1
- A fish assemblage from an early Miocene horizon from Jabal Zaltan, Libya1
Each of the 8 occurrences read was entered from one of these publications, ordered by how many each accounts for. This is not a search for papers mentioning the name. Entries link to doi.org where the Paleobiology Database holds an identifier, and to its own record where it does not. Relayed as the Paleobiology Database holds them, not checked against what they resolve to.
Media and terms
Media content2

Picture of Heterotis
- Source
- Wikidata/Commons
- Credit
- George Albert Boulenger
- Licence
- Public Domain
- Commercial use
- the licence allows it
CT scan
- Source
- MorphoSource
- Licence
- not stated by the source
- Commercial use
- cannot be read from the licence given — check the record
- Specimen
- Heterotis niloticus · UF:Fish:32897
Smithsonian Open Access was not reached for this taxon, so this list is what the others held rather than everything there is.
This is what the site found, which is not the same as what exists.
Keep going
What may have been alongside itOsteoglossidae through timeFormations of the MioceneThe world it lived on
Occurrence data from the Paleobiology Database, CC BY 4.0. Rüppell 1828