Armuelles Formation
136 distinct taxa, from 189 fossil occurrences the Paleobiology Database records under this name.
The Paleobiology Database files this name in 2 countries. That can be one body of rock crossing a border, or two rocks that happen to share a name. The database does not say which, so nothing below is added across them.
Limon · CR
118 taxa · 148 fossils · 2.6–0.8 MyaFiled under the Charco Azul Group.
Macrostrat dates this rock 1.5–1 Ma. Macrostrat’s own record
Loading coastlines…
3 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Rissoina
- Tritia
- Architectonica nobilis
- Bostrycapulus aculeatus
- Columbella
- Conus
- Crucibulum (Crucibulum)
- Crucibulum spinosum
- Diplodonta
- Distorsio decussata
- Monoplex wiegmanni
- Oliva
- Polystira
- Semicassis
- Sincola (Dorsina) gibberula
- Strombina (Recurvina) recurva
- Strombus (Strombus) gracilior
- Tellina (Eurytellina)
- Thais biserialis
- Triphora
- Turritella
- Volvarina taeniata
- Anadara (Rasia) emarginata
- Anadara concinna
- Anadara nux
- Anomia peruviana
- Antillophos (Antillophos) veraguensis
- Antillophos elegans
- Arcinella californica
- Argopecten ventricosus
- Barbatia illota
- Bullaria
- Caecum
- Callocardia (Agriopoma) catharia
- Calyptraea
- Calyptraea mamillaris
- Cancellaria urceolata
- Carinodrillia halis
- Caryocorbula biradiata
- Chama corrugata
The 40 most often recorded, of 118.
Chiriqui · PA
23 taxa · 41 fossils · 2.6–0.0 MyaFiled under the Charco Azul Group.
Macrostrat dates this rock 1.5–1 Ma. Macrostrat’s own record
Loading coastlines…
3 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Semicassis centiquadrata
- Sincola (Dorsina) gibberula
- Distorsio decussata
- Strombina (Recurvina) recurva
- Bursa rugosa
- Linatella caudata
- Malea ringens
- Marsupina nana
- Monoplex vestitus
- Monoplex wiegmanni
- Sincola (Dorsina) dorsata
- Architectonica nobilis
- Cypraecassis wilmae
- Distorsio constricta
- Distorsio jenniernestae
- Distorsio minoruohnishii
- Harpa crenata
- Massyla cumingiana
- Monoplex
- Persististrombus granulatus
- Pilumnus
- Portunus tenuis
- Tethocyathus prahli
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.