The name Aptychus is a slight homonymy case. This name is used according to the rules of several different nomenclatural codes.

Aptychus

Botany

Taxonomy

Sematophyllaceae 12

Species

Aptychus caespitosus 1
Aptychus chrysotis Müll.Hal. 1
Aptychus fluminalis Müll.Hal. 1
Aptychus glutinosus Müll.Hal. 1
Aptychus hampeanus Müll.Hal. 1
Aptychus incomspicuus Müll.Hal. 1
Aptychus leptobolax Müll.Hal. 1
Aptychus perlaxus Müll.Hal. 1
Aptychus phoeniceus Müll.Hal. 2 1
Aptychus subamnigenus Müll.Hal. 1 1
Aptychus tovariensis Müll.Hal. 1

Specimens registered in collections

Collection Number of specimens (or sets)
Cryptogams (PC) 12

Aptychus

Zoology

Taxonomy

Mollusca 103
Cephalopoda 103
Ammonitida 54
Ammonoidea 49
Incertae sedis 103

Species

Aptychus didayi COQUAND, 1841 1
Aptychus flamandi CONTEJEAN, 1858 1
Aptychus granulosus 1
Aptychus hectici LAHUSEN, 1833 1
Aptychus imbricatus MÜNSTER 3
Aptychus insignis HÉBERT, 1855 1 1
Aptychus laevigatus ZIETEN, 1830 4
Aptychus laevis von MEYER, 1831 3
Aptychus lamellosus MÜNSTER 2
Aptychus latus (PARKINSON, 1811) 1 1
Aptychus punctatus VOLTZ 6
Aptychus solenoides MÜNSTER 1
Aptychus sp. 76
Aptychus sublaevis d'ORBIGNY 2

Specimens registered in collections

Collection Number of specimens (or sets)
Paleontology (F) 105